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Mast cells in oral lichen planus and oral lichenoid lesions related to dental amalgam contact
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NORONHA, Mariana Saturnino de

; SOUTO, Giovanna Ribeiro

; FELIX, Fernanda Aragão

; ABREU, Lucas Guimarães

; AGUIAR, Maria Cássia Ferreira

; MENDONÇA, Elismauro Francisco

; MESQUITA, Ricardo Alves

Brazilian Oral Research

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2024, Volume 38 elocation e005

Abstract: En | Text: En | PDF: En

Abstract The aim of this study was to analyze the expression of mast cell markers toluidine blue, c-kit, and tryptase and presence of mononuclear inflammatory cells in oral lichen planus (OLP) and oral lichenoid lesions related to dental amalgam. Nineteen specimens of OLP, OLLC, and healthy oral mucosa were selected. Mononuclear inflammatory cells were analyzed. Histochemical and immunohistochemical analyses were performed using toluidine blue, anti-c-kit and anti-tryptase reagents, and the results were quantified in areas A and B of connective tissue. Mast cells of all OLP and OLLC samples were positive for toluidine blue, c-kit, and tryptase. The density of toluidine blue+, c-kit+ and tryptase+ mast cells was higher in tissue with OLP and OLLC compared with healthy controls (p < 0.05). No difference was noted in mast cells density between OLP and OLLC (p > 0.05). The density of tryptase+ mast cells was higher in the subepithelial region (area A) than the region below it (Area B) in OLLC (p = 0.047). The mononuclear inflammatory cell density was higher in OLLC compared to OLP, but without statistical significance (p > 0.05). A positive statistical correlation was found between mononuclear immune cells and density of c-kit+ and tryptase+ mast cells in OLP (r = 0.943 and r = 0.886, respectively). Our data demonstrate that the etiopathogenesis process of OLP and OLLC modulates the expansion and degranulation of mast cells; mast cells density, however, was similar between OLP and OLLC. The distribution of mast cells appears to vary along the lamina propria.

https://doi.org/10.1590/1807-3107bor-2024.vol38.0005

Diagnosis and prevalence of probable awake and sleep bruxism in adolescents: an exploratory analysis
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Prado, Ivana Meyer

; Abreu, Lucas Guimarães

; Pordeus, Isabela Almeida

; Amin, Maryam

; Paiva, Saul Martins

; Serra-Negra, Junia Maria

Brazilian Dental Journal

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jun 2023, Volume 34 N. 3 Pages 9 - 24

Abstract: En Pt | Text: En Pt | PDF: En | PDF: Pt

Abstract The aims of this study were to perform an exploratory analysis of probable awake (AB) and sleep bruxism (SB) prevalence using of different diagnosis criteria based on the International Consensus; evaluate the associations between self-report and clinical signs/symptoms in adolescents. Participated in this cross-sectional study 403 adolescents aged 12- to 19-years-old enrolled in public and private schools from Belo Horizonte, Brazil. Parents/caregivers answered a questionnaire about sociodemographic status and adolescents’ health status. Adolescents answered a questionnaire evaluating AB (e.g., grinding and clenching) and SB (e.g., grinding, bracing, and thrusting) activities and frequent headaches. A clinical examination was performed on adolescents to evaluate bruxism clinical signs/symptoms (pain upon palpation on masseter and temporal, linea alba, indentation on the tongue and attrition wear severity). Descriptive statistics and Pearson’s Qui-square test were performed (P≤0.05). Adolescents mean age was 14.3±1.5 years, and 58.1% were female. Self-report of SB was identified in 31% of participants and self-report of AB in 51.6%. Almost all adolescents (99%) presented at least one tooth with attrition wear (98.5% on enamel and 0.5% on dentin), with a mean number of 12.4±5.7 teeth. Depending on the diagnosis criteria, the prevalence of probable SB and AB varied from 0- 99% and 0.2- 99%, respectively. A high inconsistency was found for the prevalence of probable AB and SB in adolescents, which were influenced by the different clinical sings/symptoms used as diagnosis criteria. Frequent headaches and pain upon palpation on masseter and temporal muscle were associated to self-report of AB and SB among adolescents.

Resumo Os objetivos deste estudo foram realizar uma análise exploratória da prevalência de provável bruxismo em vigília (BV)e do sono (BS) utilizando diferentes critérios de diagnóstico baseados no Consenso Internacional; avaliar a associação entre o autorrelato e os sinais/sintomas clínicos em adolescentes. Participaram deste estudo transversal 403 adolescentes de 12 a 19 anos de idade matriculados em escolas públicas e privadas de Belo Horizonte, Brasil. Os pais/responsáveis responderam um questionário sobre dados sociodemográficos e estado de saúde dos adolescentes. Os adolescentes relataram atividades do BV (ranger e apertar) e BS (ranger, bracing e thrusting) e dores de cabeça frequentes. Um exame clínico foi realizado nos adolescentes para avaliar os sinais/sintomas clínicos do bruxismo (dor à palpação nos músculos masseter e temporal, marcas de endentação na língua e linha alba, desgaste dentário por atrição). Análises descritiva e teste Qui-quadrado de Pearson foram realizados (P≤0,05). A média de idade dos adolescentes foi de 14,3±1,5 anos e 58,1% eram do sexo feminino. O autorrelato de BS foi identificado em 31% dos participantes e o autorrelato do BV em 51,6%. Quase a totalidade dos adolescentes (99%) apresentaram pelo menos um dente com desgaste dentário (98,5% em esmalte; 0,5% em dentina), com média de 12,4±5,7 dentes acometidos. Dependendo do critério de diagnóstico, a prevalência do provável BS e BV variou de 0- 99% e 0,2- 99%, respectivamente. Uma grande inconsistência foi identificada na prevalência de provável BV e BS em adolescentes, que foram influenciadas pelos diferentes sinais/sintomas usados como critério de diagnóstico. Dores de cabeça frequentes e dor à palpação no masseter e temporal foram associados ao autorrelato de bruxismo em crianças e adolescentes.

https://doi.org/10.1590/0103-6440202305202

Semantic equivalence of the Brazilian version of the Patient Satisfaction Questionnaire (B-PSQ)
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Gatti-Reis, Luisa

; Alvarenga, Renata Negreiros

; Abreu, Lucas Guimarães

; Paiva, Saul Martins

Brazilian Dental Journal

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feb 2023, Volume 34 N. 1 Pages 107 - 122

Abstract: En Pt | Text: En Pt | PDF: En | PDF: Pt

Abstract The Patient Satisfaction Questionnaire (PSQ) is a self-administered instrument to assess adolescent patients' satisfaction with orthodontic treatment. A pre-existing North American instrument was further explored in the Netherlands. Semantic equivalence is part of cross-cultural adaptation and is necessary to achieve a valid and reliable instrument for a specific culture. The present study aimed to evaluate the semantic equivalence of the items, subscales, and overall PSQ between the original English version and the Brazilian Portuguese language version (B-PSQ). The PSQ has 58 items, distributed across 6 subscales: doctor-patient relationship, situational aspects of the clinic, dentofacial improvement, psychosocial improvement, dental function, and a residual category. Semantic equivalence was evaluated according to the following methods: (1) independent translations to Portuguese by two translators, both native in Brazilian Portuguese and fluent in English; (2) an expert committee drafted the first summarized version in Portuguese; (3) two independent back-translations into English by two native English-speaking translators fluent in Portuguese; (4) committee review; (5) committee drafted a summarized version of the back-translations; (6) expert committee drafted the second summarized version in Portuguese; (7) pre-test of the instrument using individual semi-structured interviews with 10 adolescents; (8) review and final version of the B-PSQ. Semantic equivalence between the original and the Brazilian versions of the questionnaire was achieved through diligent and rigorous methods, with effective translation and expert evaluations, incorporating the opinions of the target population.

Resumo O Patient Satisfaction Questionnaire (PSQ) é um instrumento autorrelatado específico para avaliar a satisfação de pacientes adolescentes com o tratamento ortodôntico. Um instrumento norte-americano pré-existente foi mais explorado na Holanda. A equivalência semântica faz parte da adaptação transcultural e é necessária para se obter um instrumento válido e confiável para uma cultura específica. O presente estudo teve como objetivo avaliar a equivalência semântica dos itens, subescalas e escore geral do PSQ entre a versão original em inglês e a versão em português do Brasil (B-PSQ). O PSQ possui 58 itens, distribuídos em 6 subescalas; relação médico-paciente, aspectos situacionais da clínica, melhora dentofacial, melhora psicossocial, função dentária e uma categoria residual. A equivalência semântica foi avaliada de acordo com o seguinte método: 1) traduções independentes para o português por dois tradutores, ambos nativos em português brasileiro e fluentes em inglês; 2) um comitê de experts elaborou a primeira versão síntese em português; 3) duas retro-traduções independentes para o inglês por dois tradutores nativos de língua inglesa fluentes em português; 4) revisão do comitê; 5) o comitê elaborou uma versão síntese das retro-traduções; 6) comitê de experts redigiu a segunda versão síntese em português; 7) pré-teste do instrumento por meio de entrevistas individuais semiestruturadas com 10 adolescentes; 8) revisão e versão final do B-PSQ. A equivalência semântica entre as versões original e brasileira do questionário foi alcançada por meio de métodos cuidadosos e rigorosos, com tradução eficaz e avaliações de experts, incorporando as opiniões da população-alvo.

https://doi.org/10.1590/0103-6440202305074

Influence of risedronate on orthodontic tooth movement in rodents: a systematic review and case report
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MIRANDA, Roberta Magalhães

; FERNANDES, Juliana Lourdes

; SANTOS, Mariana de Souza

; JÁCOME-SANTOS, Humberto

; MILAGRES, Roselaine Moreira Coelho

; PRETTI, Henrique

; ABREU, Lucas Guimarães

; MACARI, Soraia

Dental Press Journal of Orthodontics

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2023, Volume 28 N. 6 elocation e2322280

Abstract: En Pt | Text: En Pt | PDF: En | PDF: Pt

ABSTRACT Introduction: Bisphosphonates have an inhibitory impact on osteoclastic activity, reducing bone resorption. However, the influence of risedronate on tooth movement is not well-defined. Objective: This systematic review assessed the effect of risedronate intake on orthodontic tooth movement. A case report was also provided. Methods: Two independent reviewers searched six databases (PubMed, Web of Science, Ovid, Lilacs, Scopus, and Open Grey). The searches were carried out in April/2020, and an update was set in place in June/2023. Therefore, the searches considered a timeline from the databases’ inception date until June/2023, with no publication date and/or language restrictions. The clinical question focused on evaluating the orthodontic tooth movement and relapse movement (Outcome) in animals (Population) exposed to risedronate (Exposure), compared to control groups (Comparison). The Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) guidelines were applied, and the protocol was registered in PROSPERO (CRD42020168581). The risk of bias was determined using the Systematic Review Centre for Laboratory Animal Experimentation protocol (SYRCLE). Results: Two studies in rats and one in guinea pigs were included in the systematic review. The studies reported a decrease in orthodontic tooth movement, a reduction in the relapse movement, and a reduced number of positive tartrate-resistant acid phosphatase (TRAP) cells, with a significantly reduced number of bone gaps after the administration of risedronate in rats. A case report illustrated the effects of risedronate administration in one patient. Conclusion: Based on the systematic review, risedronate seems to impair orthodontic tooth movement and relapse due to a decrease in bone resorption cells.

RESUMO Introdução: Os bifosfonatos têm um impacto inibitório na atividade osteoclástica, reduzindo a reabsorção óssea. No entanto, a influência do risedronato no movimento dentário não está bem definida. Objetivo: Esta revisão sistemática avaliou o efeito do uso de risedronato no movimento ortodôntico dos dentes. Um relato de caso também é apresentado. Métodos: Dois revisores independentes pesquisaram seis bases de dados (PubMed, Web of Science, Ovid, Lilacs, Scopus e Open Grey), considerando o período de abril de 2020 até junho de 2023, sem restrições de data e/ou idioma de publicação. A questão clínica focou em avaliar o movimento ortodôntico dos dentes e movimento de recidiva (resultado) em animais (população) expostos ao risedronato (exposição) em comparação com grupos de controle (comparação). Foram aplicadas as Diretrizes Preferenciais para Revisão Sistemática e Metanálise (PRISMA) e um protocolo foi registrado no PROSPERO (CRD42020168581). O risco de viés foi determinado utilizando o protocolo do Centro de Revisão Sistemática para Experimentação em Animais de Laboratório (SYRCLE). Resultados: Dois estudos em ratos e um em porquinhos-da-índia foram incluídos na revisão sistemática. Os estudos relataram uma diminuição no movimento ortodôntico dos dentes, uma redução no movimento de recidiva e um número reduzido de células positivas à fosfatase ácida tartarato-resistente (TRAP) com um número significativamente reduzido de falhas ósseas após a administração de risedronato em ratos. Um relato de caso ilustrou os efeitos da administração de risedronato em uma paciente. Conclusão: Com base na revisão sistemática, o risedronato parece interferir no movimento ortodôntico dos dentes e na recidiva devido a uma diminuição nas células de reabsorção óssea.

https://doi.org/10.1590/2177-6709.28.6.e2322280.oar

Pathways that explain racial differences on edentulism among older adults: 2019 Brazil National Health Survey
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MENEGAZZO, Gabriele Rissotto

; CUNHA, Amanda Ramos da

; FAGUNDES, Maria Laura Braccini

; AMARAL JÚNIOR, Orlando Luiz do

; GIORDANI, Jessye Melgarejo do Amaral

; HILGERT, Juliana Balbinot

; ABREU, Lucas Guimarães

; HUGO, Fernando Neves

Brazilian Oral Research

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2023, Volume 37 elocation e40

Abstract: En | Text: En | PDF: En

Abstract This study aimed to evaluate the pathways that explain the association between race/skin color and edentulism in elderly Brazilians. This was a cross-sectional study using data from participants aged 60 years or older from the 2019 Brazilian National Health Survey, a nationally representative population-based sample. Data were obtained by a structured interview and participants were classified as edentulous if they reported having lost all natural teeth. Information on race, socioeconomic level, behavioral aspects, psychosocial aspects, and access to dental care was collected by interviewers using a questionnaire. The pathways between race/skin color and edentulism were analyzed using structural equation modeling. The final sample of the study included 22,357 participants. Most participants were white (51.5%; 95% confidence interval [CI]: 50.3–52.6), and 36.8% (95%CI: 35.7–37.9) were edentulous. Race/skin color was indirectly associated with edentulism via enabling factors. These findings suggest that socioeconomic inequalities are key in explaining racial inequalities in edentulism among Brazilian older adults.

https://doi.org/10.1590/1807-3107bor-2023.vol37.0040

Effects of tobacco on the DNA of smokers and non-smokers affected by OSCC: systematic review and meta-analysis
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SCHUCH, Lauren Frenzel

; VIANA, Karolina Skarlet Silva

; DE ARRUDA, José Alcides Almeida

; ABREU, Lucas Guimarães

; AGUIAR, Maria Cássia Ferreira de

; BERNARDES, Vanessa Fátima

Brazilian Oral Research

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2023, Volume 37 elocation e008

Abstract: En | Text: En | PDF: En

Abstract Scientific evidence about genetic and molecular changes in oral squamous cell carcinoma (OSCC) among smokers and non-smokers is inconclusive. This systematic review and meta-analysis assessed the effects of tobacco on the DNA of individuals with OSCC based on protein mutations. Electronic searches were conducted on PubMed, Ovid, Web of Science, and Scopus to identify observational studies published up to January/2022. The Joanna Briggs Institute tool was used for the critical appraisal of studies. The certainty of the evidence was evaluated. Twenty-three studies assessing 4,060 individuals (2,967 smokers vs. 1,093 non-smokers) were included in this review. Fifteen groups of proteins/genes were investigated. Analysis of the quality of articles revealed low risk of bias in most studies. The certainty of the evidence was very low. The meta-analysis confirmed no significant difference between smokers and non-smokers with respect to damage to GSTM1 (OR: 0.60; 95%CI: 0.30–1.18), GSTT1 (OR: 1.18; 95%CI:0.49–2.83), hydrolase proteins (Ku70 and Ku80) (OR: 0.74; 95%CI: 0.18–3.05), and transferase proteins (GSTM1, GSTT1, GSTM3) (OR: 0.74; 95%CI: 0.47–1.18). Most of the studies included showed that smokers are more likely to exhibit genetic instability. However, the meta-analysis revealed that smokers do not necessarily have more genetic alterations in the DNA than non-smokers.

https://doi.org/10.1590/1807-3107bor-2023.vol37.0008

Contribution of public oral pathology services to the diagnosis of oral and oropharyngeal cancer in Brazil
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LOUREDO, Brendo Vinicius Rodrigues

; CURADO, Maria Paula

; PENAFORT, Paulo Victor Mendes

; DE ARRUDA, José Alcides Almeida

; ABREU, Lucas Guimarães

; MESQUITA, Ricardo Alves

; PINTO-JÚNIOR, Décio dos Santos

; ABRAHÃO, Aline Corrêa

; ANDRADE, Bruno Augusto Benevenuto de

; AGOSTINI, Michelle

; MORAES, Renata Mendonça

; ANBINDER, Ana Lia

; DOURADO, Pedro Henrique Silva

; SANTOS, Teresa Cristina Ribeiro Bartholomeu dos

; PIRES, Fábio Ramoa

; BORDIGNON, Natalia Cristina Trentin

; GONDAK, Rogério Oliveira

; DE OLIVEIRA, Marcia Gaiger

; CARRARD, Vinicius Coelho

; MARTINS, Manoela Domingues

; SOUSA-NETO, Sebastião Silvério

; ARANTES, Diego Antônio Costa

; MENDONÇA, Elismauro Francisco

; CIESLAK-SANCHES, Silvia Roberta

; ANTUNES, Daniella Moraes

; AMARAL-SILVA, Gleyson Kleber do

; MANIERI, Patricia Rubia

; RAMALHO, Luciana Maria Pedreira

; DOS SANTOS, Jean Nunes

; LEONEL, Augusto César Leal da Silva

; PEREZ, Danyel Elias da Cruz

; VERHEUL, Hannah Carmem Carlos Ribeiro Silva

; BARROSO, Keila Martha Amorim

; RODRIGUES, Flávia Luiza Santos

; GONZAGA, Amanda Katarinny Goes

; FERNANDES, Romana Renery

; DE SOUZA, Lélia Batista

; SOUZA, Lucas Lacerda de

; PONTES, Flávia Sirotheau Corrêa

; PONTES, Hélder Antônio Rebelo

; SILVA, Caroline Alfaia

; CÂMARA, Jeconias

; LIBÓRIO-KIMURA, Tatiana Nayara

; SANTOS-SILVA, Alan Roger

; LOPES, Márcio Ajudarte

; ALMEIDA, Oslei Paes de

; ROMAÑACH, Mário José

; VARGAS, Pablo Agustin

Brazilian Oral Research

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2023, Volume 37 elocation e126

Abstract: En | Text: En | PDF: En

Abstract This study aimed to evaluate the contribution of oral and maxillofacial pathology laboratories (OMPLs) in Brazilian public universities to the diagnosis of lip, oral cavity, and oropharyngeal squamous cell carcinoma (SCC). A cross-sectional study was performed using biopsy records from a consortium of sixteen public OMPLs from all regions of Brazil (North, Northeast, Central-West, Southeast, and South). Clinical and demographic data of patients diagnosed with lip, oral cavity, and oropharyngeal SCC between 2010 and 2019 were collected from the patients’ histopathological records. Of the 120,010 oral and maxillofacial biopsies (2010-2019), 6.9% (8,321 cases) were diagnosed as lip (0.8%, 951 cases), oral cavity (4.9%, 5,971 cases), and oropharyngeal (1.2%, 1,399 cases) SCCs. Most cases were from Brazil’s Southeast (64.5%), where six of the OMPLs analyzed are located. The predominant profile of patients with lip and oral cavity SCC was Caucasian men, with a mean age over 60 years, low schooling level, and a previous history of heavy tobacco consumption. In the oropharyngeal group, the majority were non-Caucasian men, with a mean age under 60 years, had a low education level, and were former/current tobacco and alcohol users. According to data from the Brazilian National Cancer Institute, approximately 9.9% of the total lip, oral cavity, and oropharyngeal SCCs reported over the last decade in Brazil may have been diagnosed at the OMPLs included in the current study. Therefore, this data confirms the contribution of public OMPLs with respect to the important diagnostic support they provide to the oral healthcare services extended by the Brazilian Public Health System.

https://doi.org/10.1590/1807-3107bor-2023.vol37.0126

Dental anomalies in individuals with osteogenesis imperfecta: a systematic review and meta-analysis of prevalence and comparative studies
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PRADO, Heloisa Vieira

; SOARES, Enio Cássio Barreto

; CARNEIRO, Natália Cristina Ruy

; VILAR, Ivanete Cláudia de Oliveira

; ABREU, Lucas Guimarães

; BORGES-OLIVEIRA, Ana Cristina

Journal of Applied Oral Science

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2023, Volume 31 elocation e20230040

Abstract: En | Text: En | PDF: En

Abstract Background Osteogenesis imperfecta (OI) is a rare genetic disorder primarily caused by mutations in the genes involved in the production of type 1 collagen. OI is also known as brittle bone disease. Objective This study aims to describe the prevalence of dental anomalies (except dentinogenesis imperfecta) in individuals with OI, and compare the prevalence of dental anomalies between individuals with and without OI and between individuals with different types of OI. Search methods Searches in PubMed, Web of Science, Scopus, Ovid, and gray literature were performed in October 2022. Selection criteria Observational studies (with or without a comparison group) that evaluated the prevalence of dental anomalies in individuals with OI. Data collection and analysis: Data items were extracted by two authors. Quality assessment employing the Joanna Briggs Institute checklists and meta-analyses was conducted. Results were provided in prevalence values and odds ratio (OR) / 95% confidence interval (CI). Strength of evidence was determined. Results Eighteen studies were included. Most prevalent dental anomalies in individuals with OI included pulp obliteration (46.4%), dental impaction (33.5%), dental impaction of second molars (27%), and tooth agenesis (23.9%). Individuals with OI type III/IV had 20.16-fold greater chance of exhibiting tooth discoloration in comparison with individuals with OI type I (CI: 1.10–370.98). In comparison with the group without OI, the individuals with OI had 6.90-fold greater chance of exhibiting dental impaction (CI: 1.54–31.00). High methodological quality was found in 47% of the studies. Strength of evidence was low or very low. Conclusions Pulp obliteration, dental impaction, and tooth agenesis were the most prevalent dental anomalies in the OI group. Individuals with OI were more likely to have dental impaction than individuals without OI. Individuals with OI type III/IV (severe-moderate) are more likely to have tooth discoloration than individuals with OI type I (mild).

https://doi.org/10.1590/1678-7757-2023-0040

Prevalence, incidence, and years-lived with disability due to oral disorders in Brazil: an analysis of the Global Burden of Disease Study 2019
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Hugo, Fernando Neves

; Bailey, Jordan A

; Stein, Caroline

; Cunha, Amanda Ramos da

; Iser, Betine Pinto Moehlecke

; Malta, Deborah Carvalho

; Giordani, Jessye Melgarejo do Amaral

; Hilgert, Juliana Balbinot

; Abreu, Lucas Guimarães

; Kassebaum, Nicholas J

Revista da Sociedade Brasileira de Medicina Tropical

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2022, Volume 55 Suppl. 1 elocation e0284-2021

Abstract: En | Text: En | PDF: En

Abstract INTRODUCTION Epidemiological surveys revealed that Brazil has a high burden of oral diseases. However, no prior study has reported estimates of untreated dental caries, periodontitis, and edentulism over a three-decade period. The objective of this study is to report the trends of prevalence, incidence, and years-lived with disability (YLDs) due to untreated dental caries in primary and permanent teeth, periodontitis, and edentulism in Brazil between 1990 and 2019. METHODS Estimates of prevalence, incidence, and YLDs due to dental caries in primary and permanent teeth, periodontitis, and edentulism were produced for Brazil, by sex and age, between 1990 and 2019, using Dismod-MR 2.1, as part of the Global Burden of Disease Study 2019 (GBD 2019). Trends of oral disorders were analyzed using generalized linear regression models applying the Prais-Winsten method. RESULTS Almost 100 million Brazilians presented at least one oral disorder in 2019, which was equivalent to a prevalence of 45.3%. All oral diseases combined ranked eighth among all causes of disability, causing more than 970,000 YLDs. Untreated dental caries in primary teeth were estimated to affect 13.5 million children, and untreated dental caries in permanent teeth affected more than 52 million people. Periodontitis affected 29.5 million people, and edentulism affected almost 22 million. The generalized linear regression models revealed a trend of stability of oral disorders between 1990 and 2019. CONCLUSIONS The burden of oral diseases in Brazil is extremely high. Oral disorders, edentulism in particular, caused disability at levels that are comparable to other important chronic diseases.

https://doi.org/10.1590/0037-8682-0284-2021

10.

Incidence and mortality rates of lip, oral cavity, and pharynx cancers in Brazil: time-trend and age-period-cohort analysis from the last 30 years, Global Burden of Disease Study
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Romagna, Daniel Volpato

; Oliveira, Max Moura de

; Abreu, Lucas Guimarães

; Stein, Caroline

; Hugo, Fernando Neves

; Teixeira, Renato

; Malta, Deborah Carvalho

; Naghavi, Mohsen

; Iser, Betine Pinto Moehlecke

Revista da Sociedade Brasileira de Medicina Tropical

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2022, Volume 55 Suppl. 1 elocation e0286-2021

Abstract: En | Text: En | PDF: En

Abstract INTRODUCTION: Cancers are the second main cause of morbidity worldwide, but robust information on lip, oral cavity, and pharynx cancers in Brazil is lacking. This study aimed to analyze the trends of incidence and mortality caused by lip, oral cavity, and pharynx cancers and age-period-cohort effects in the Brazilian population of 30 years of age and over, in the period of 1990 to 2019. METHODS: A time series study of the incidence and mortality rates for oral cavity and pharynx cancer (“Lip and oral cavity cancer”, “Nasopharynx cancer”, and “Other pharynx cancer”) was conducted, with corrected data from the Global Burden of Disease Study (GBD) 2019. Age-standardized rates per 100,000 inhabitants, for the global population, were gathered according to the individuals’ sex. The annual average percentage change (AAPC) was estimated, as was the age-period-cohort effects. RESULTS: The incidence and mortality rates were higher for men in the studied anatomical regions. The cancers tended to decrease for men, except for nasopharynx cancer, which increased in individuals of both sexes. Mortality tended to present a decline in most of the groups studied. For men and women, the age-period-cohort model presented a better adjustment for both incidence and mortality. CONCLUSIONS: Incidence and mortality caused by the main head and neck cancers showed a tendency to decline over the past 30 years in Brazil, except for nasopharynx cancer, which showed an increase in incidence and mortality in some segments of the population. Higher rates were found for lip and oral cavity cancers in men.

https://doi.org/10.1590/0037-8682-0286-2021

11.

Assessment of child's dental anxiety/fear and stress during dental treatment: a systematic review by CEDACORE
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Gomes, Heloisa de Sousa

; Anabuki, Anna Alice

; Viana, Karoline Alves

; Abreu, Lucas Guimarães

; Batista, Aline Carvalho

; Hosey, Marie Therese

; Costa, Luciane Rezende

Brazilian Oral Research

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2022, Volume 36 elocation e067

Abstract: En | Text: En | PDF: En

Abstract: There is a lack of evidence on the correlation between salivary biomarkers and subjective measures of dental fear and anxiety in children. This systematic review aimed to retrieve the scientific evidence comparing the results of dental anxiety measured by salivary biomarkers with patient-reported outcomes in pediatric dental setting. The PECOS was as follows: population: pediatric patients aged ≤ 18 years; exposure: patient-reported outcome measures, such as scales and/or questionnaires; comparator: salivary biomarkers; outcome: anxiety, fear, phobia or stress during dental treatment; study design: observational studies or controlled trials. Electronic searches were conducted in PubMed, Scopus, Web of Science, and Ovid databases. Studies that compared scales/questionnaires and salivary biomarkers for the evaluation of dental anxiety, fear, and stress in children/adolescents during dental treatment were included. Certainty of evidence was assessed with GRADE. Risk of bias of the included studies was assessed with the Cochrane tool or the University of Adelaide tool. From the 314 studies identified, eight were included. Participants’ age ranged from three to 13 years. The most used salivary biomarkers and instruments were cortisol and the Dental Subscale of the Children's Fear Survey Schedule, respectively. Most studies showed a weak correlation between objective and subjective measures. The main issues regarding bias were on allocation concealment, blinding of assessors, follow up, and exposure assessment. Certainty of evidence was low/very low. Evidence of salivary biomarkers and patient-reported outcome measures to investigate anxiety, fear and stress in children during in the dental environment is limited. There was no correlation between subjective and objective measures in almost all included studies.

https://doi.org/10.1590/1807-3107bor-2022.vol36.0067

12.

Information and Communications Technology in Dentistry: an informative and educational approach for patients with fixed orthodontic appliances
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ASSIS, Marina Araújo Leite

; TAVARES, Lílian Dayse Fróes

; BERNARDINO, Aline Pereira

; ROCHA, Breno Amaral

; ABREU, Lucas Guimarães

; OLIVEIRA, Dauro Douglas

; PITHON, Matheus Melo

; SOARES, Rodrigo Villamarim

Dental Press Journal of Orthodontics

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2022, Volume 27 N. 3 elocation e22spe3

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

RESUMO Objetivos: Desenvolver e disponibilizar, gratuitamente, ferramentas de tecnologia da informação e comunicação (TIC) para a Odontologia, abordando informações e orientações direcionadas a pacientes em tratamento ortodôntico com aparelho fixo. Material e Métodos: Foi elaborado um conteúdo que contemplou informações e orientações concernentes ao tratamento ortodôntico com aparelho fixo. O material, que abrangeu instruções sobre higiene bucal e sobre abordagens diante de possíveis intercorrências, foi avaliado e validado por especialistas. A partir do conteúdo validado, foram elaborados produtos utilizando quatro ferramentas distintas de TIC. Resultados: Foram desenvolvidos os seguintes produtos tecnológicos: um programa para rádios comunitárias, três postagens para blog, quatro vídeos educacionais e informativos, e um aplicativo para smartphones, utilizando não apenas textos, mas também imagens e vídeos. Essas ferramentas de TIC direcionadas a pacientes fazendo uso de aparelho ortodôntico fixo foram disponibilizadas gratuitamente via internet, e já contam com expressivo número de acessos. Conclusões: As ferramentas técnico-científicas, desenvolvidas e fornecidas livremente à população, podem auxiliar pacientes durante o tratamento com aparelho ortodôntico fixo, contribuir para disseminar informações confiáveis e esclarecer dúvidas que surgem durante a terapia ortodôntica. Essas ferramentas gratuitas de TIC facilitam o acesso ao conhecimento científico e, consequentemente, favorecem a inserção social, tendo em vista que esse material educacional e informativo foi ofertado de maneira simples e acessível à população.

ABSTRACT Objective: To develop and make available, at no cost to the user, Information and Communications Technology (ICT) tools for Dentistry, providing dental information and advice geared toward patients undergoing orthodontic treatment with fixed appliances. Material and Methods: A Dentistry-based content that contemplated information and advice concerning orthodontic treatment with fixed appliances was elaborated. The materials, which included instructions on oral hygiene and treatment strategies when faced with possible complications, were evaluated and validated by specialists, whose assessments reached a 85% approval. From the validated content, products using four distinct ICT tools were formulated. Results: The following technological products were developed: a program for community radios, three blog posts, four educational and informative videos, and a smartphone application - using texts, as well as images and videos. These ICT tools, geared toward patients wearing fixed orthodontic appliances, were made available by internet at no cost to the user, and the number of accesses is already expressive. Conclusion: These technological-scientific tools, developed and provided freely to the population, can aid patients during their treatment with fixed orthodontic appliances, contributing to the dissemination of reliable information, and clarifying doubts that may arise during orthodontic therapy. These free ICT tools serve to facilitate access to scientific knowledge, thereby favoring social inclusion, bearing in mind that this educational and informative material was offered in a simple and accessible manner to the general population.

https://doi.org/10.1590/2177-6709.27.3.e22spe3

13.

Pathways of socioeconomic inequalities in self-perceived oral health
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FAGUNDES, Maria Laura Braccini

; AMARAL JÚNIOR, Orlando Luiz do

; MENEGAZZO, Gabriele Rissotto

; BASTOS, Lucelen Fontoura

; HUGO, Fernando Neves

; ABREU, Lucas Guimarães

; ISER, Betine Pinto Moehlecke

; GIORDANI, Jessye Melgarejo do Amaral

; HILGERT, Juliana Balbinot

Brazilian Oral Research

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2022, Volume 36 elocation e088

Abstract: En | Text: En | PDF: En

Abstract Although there is a large body of evidence of the influence of social determinants on oral health, information on the mechanisms by which these determinants operate is poorly documented. Therefore, we aimed to investigate the pathways through which socioeconomic inequalities may influence self-perceived oral health (SPOH) in Brazilian adults. This cross-sectional study used data from the National Health Survey (NHS) of 2019, with a representative sample of adults aged 18 to 59 years (n = 65,803). The outcome was SPOH, assessed by a global self-item. Structural equation modeling was used to test direct and indirect pathways connecting a latent variable for socioeconomic position (SEP) to SPOH via psychosocial, behavioral, and biological factors. Higher SEP was directly associated with better SPOH [standardized coefficient (SC) = 0.069; p < 0.01)] fewer depressive symptoms (SC = -0.059; p < 0.01), fewer missing teeth (SC = 0.131; p < 0.01), and more healthy behaviors (SC = 0.643; p < 0.01). Fewer depressive symptoms (SC = -0.141; p < 0.01), more healthy behaviors (SC = 0.242; p < 0.01), and fewer missing teeth (SC = 0.058; p < 0.01) were directly associated with good SPOH. Among specific indirect effects of SEP on SPOH, the behavioral pathway was the one that best explained this association (SC = 0.155). Socioeconomic inequities in SPOH are mediate by psychosocial, behavioral, and biological factors. This has implications for positioning health strategies in the social context in which people live, to facilitate healthy choices and promote good oral health.

https://doi.org/10.1590/1807-3107bor-2022.vol36.0088

14.

Indices in dental image exams for bone mineral density evaluation of aromatase inhibitor users
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Barra, Sâmila Gonçalves

; de Arruda, José Alcides Almeida

; Souza, Alessandra Figueiredo

; Brasileiro, Cláudia Borges

; Camargos, Bruno Muzzi

; Lima, Enaldo Melo de

; Souza, Leandro Napier

; Oliveira, Marina Chaves de

; Macari, Soraia

; Silva, Tarcília Aparecida

; Abreu, Lucas Guimaraes

; Mesquita, Ricardo Alves

Brazilian Oral Research

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2022, Volume 36 elocation e138

Abstract: En | Text: En | PDF: En

Abstract We evaluated the accuracy of radiomorphometric indices (RI) and fractal dimension (FD) for screening bone mineral density (BMD) in postmenopausal patients who had breast cancer and were using aromatase inhibitors (AI). The sample consisted of 40 participants. Digital panoramic radiography (DPR) and cone beam computed tomography (CBCT) were evaluated along with dual-energy X-ray absorptiometry (DXA), which is the gold standard for detecting low BMD. According to the T-scores of DXA, the subjects were assigned into two groups: with normal BMD and with low BMD (osteopenia and osteoporosis). The area under the curve (AUC), sensitivity, and specificity with their respective confidence intervals were determined for DPR and CBCT. For DPR indices, AUC ranged from 52.6 to 75.8%. The mandibular cortical width (MCW) had the highest AUC. For FD, the total trabecular index had the highest sensitivity, while the index anterior to the mental foramen (MF) had the highest specificity. In CBCT, the AUC ranged from 51.8 to 62.0%. The indices with the highest AUC were the molar (M) and anterior (A). The symphysis (S) index had the highest sensitivity and the posterior (P) index had the highest specificity. Sensitivity and specificity were adequate for the computed tomography index (Inferior; CTI [I]). Therefore, MCW, FD of the mandible angle, and total trabecular ROI in DPR and the CTI (I), M, P, and A indices in CBCT proved to be promising tools in distinguishing individuals with low BMD. Cutoff point for these indices could be a useful tool to investigate low BMD in postmenopausal women taking AI.

https://doi.org/10.1590/1807-3107bor-2022.vol36.0138

15.

Anatomical evaluation of the medial lingual foramen using cone-beam computed tomography: a retrospective study
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CARVALHO, Márcia Ingrid de

; AMARAL, Tânia Mara Pimenta

; BRASILEIRO, Cláudia Borges

; ABREU, Lucas Guimarães

; ABDO, Evandro Neves

RGO - Revista Gaúcha de Odontologia

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2022, Volume 70 elocation e20220040

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

RESUMO Objetivo: Avaliar a frequência dos forames linguais mediais presentes na cortical da mandíbula por meio da tomografia computadorizada de feixe cônico (TCFC). Métodos: Um total de 953 exames de TCFC da mandíbula foram avaliados para determinar a presença de canais na linha média mandibular, localização do canal em relação ao tubérculo geniano, diâmetro do canal, distância à base e crista alveolar da mandíbula, trajetória da canal e medidas de coincidência da imagem panorâmica contendo a localização do canal em relação ao tubérculo geniano. Resultados: Os forames localizaram-se em três posições: acima do tubérculo (FSS) 89,2%, abaixo do tubérculo (FIS) 67,9% e outras posições (FOP) 21,3%. Indivíduos não edêntulos apresentaram um número significativamente maior de FSS do que indivíduos edêntulos (P <0,001). Indivíduos do sexo masculino apresentaram distâncias significativamente maior do FSS (P = 0,001), FIS (P = 0,045) e FOP (p = 0,002) até a base da mandíbula do que indivíduos do sexo feminino. Os indivíduos mais jovens apresentaram uma distância significativamente maior do FSS (P = 0,001) e FIS (P = 0,001) até a crista alveolar da mandíbula. Indivíduos do sexo masculino tiveram um diâmetro de FIS (P = 0,002) e FOP (P = 0,001) significativamente maior do que indivíduos do sexo feminino. Indivíduos do sexo masculino tiveram um número significativamente maior de bifurcações no FOP do que indivíduos do sexo feminino (P = 0,017). Conclusão: a TCFC fornece ao profissional uma avaliação detalhada dos forames e canais, o que melhora a qualidade do planejamento cirúrgico e diminui as chances de intercorrências.

ABSTRACT Objective: To evaluate the frequency of medial lingual foramina present in the cortex of the mandible using cone beam computed tomography (CBCT). Methods: A total of 953 CBTC exams of the mandible were evaluated to determine the presence of canals in the mandibular midline, canal location in relation to the mental spine, canal diameter, distance to the base and alveolar crest of the mandible, trajectory of the canal, and coincidence measurements of the panoramic image containing the location of the canal in relation to the mental spine. Results: Foramina were located in three positions: above the mental spine (FSS) 89.2%, below the mental spine (FIS) 67.9%, and other positions (FOP) 21.3%. Non-edentulous individuals had a significantly higher number of FSS than did edentulous individuals (P<0.001). Male individuals presented a significantly greater distance from the FSS (P=0.001), FIS (P=0.045) and FOP (p=0.002) to the base of the mandible than female individuals. Younger individuals presented a significantly higher distance from the FSS (P=0.001) and FIS (P=0.001) to the alveolar crest of the mandible. Male individuals had a significantly greater FIS (P=0.002) and FOP (P=0.001) diameter than female individuals. Male individuals had a significantly higher number of bifurcations in FOP than female individuals (P=0.017). Conclusion: CBCT supplies the provider with a detailed assessment of the foramina and canals, which improves the quality of surgical planning and mitigates the chances of surgical intercurrences.

https://doi.org/10.1590/1981-86372022004020210050

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