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Revista de Odontologia da UNESP

On-line version ISSN 1807-2577

Rev. odontol. UNESP vol.44 no.5 Araraquara Sept./Oct. 2015  Epub Oct 06, 2015

https://doi.org/10.1590/1807-2577.0097 

Original Articles

Oral health education in school: parents' attitudes and prevalence of caries in children

Educação em saúde bucal na escola: atitude dos pais e prevalência de cárie em crianças

Cléa Adas Saliba Garbin a  

Gabriella Barreto Soares a   * 

Fábia Regina Moraes Dócusse a  

Artênio José Ísper Garbin a  

Renato Moreira Arcieri a  

aFaculdade de Odontologia, UNESP – Universidade Estadual Paulista, Araçatuba, SP, Brazil


ABSTRACT

Introduction

The promotion of oral health in children is highly important, as well as parents' motivation to adopt the attitudes necessary for the maintenance of the health of their children.

Objective

To evaluate parents' attitudes about their children's oral health and to determine the prevalence of dental caries.

Material and method

A cross-sectional analytical study, conducted with parents and preschoolers from the elementary schools in Araçatuba. A formal instrument was used to collect data, in order to evaluate parents' attitudes regarding their children's oral health. A clinical oral exam was performed in order to determine the decayed, missing and filled teeth (dmft) and Index of Oral Health–Simplified (IOH–S). The collected data were analyzed using the SPSS 21.0 software.

Result

The state of the children's oral health was good; the mean of the decayed, missing and filled teeth (dmft) was 0.68 (Standard deviation = 1.70). Most of the children presented a mean index of oral hygiene (IOHS = 1.51, Standard deviation = 0.48). The parents' attitudes related to oral health were not very good. Many of them did not floss their children's teeth; the bottle-fed children did not brush after feeding. The consumption of sugar was associated with the presence of dental plaque in the children (p=0.05). Nevertheless, in most cases, tooth brushing was performed by the parents and was associated with a good dmft index in the children (p=0.04).

Conclusion

The state of children's oral health in the present study was good. However, the parents' attitudes in relation to oral health were not good.

Descriptors:  Oral health; attitudes; preschooler; health education

Resumo

Introdução

Promoção de saúde bucal para as crianças é de grande importância, além da motivação dos pais para adoção de atitudes necessárias à manutenção da saúde dos seus filhos.

Objetivo

Avaliar atitude dos pais e sobre a saúde bucal dos seus filhos e verificar a prevalência de cárie dentária das crianças.

Material e método

Estudo transversal, analítico, realizado com pais e pré-escolares das Escolas de Educação Básica de Araçatuba. Para coleta de dados foi utilizado um instrumento com questões para avaliar a atitude dos pais em relação à saúde bucal dos seus filhos. Foi realizado exame clínico bucal das crianças, para verificar do índice de ceo-d e IHOS. Os dados coletados foram analisados no software SPSS 21.0.

Resultado

A condição de saúde bucal das crianças era boa, média do ceo-d 0,68 (Desvio padrão= 1,70). A maioria das crianças apresentou um índice de higiene oral médio (1,51 IHOS, dp=0,48). A atitude dos pais relacionada à saúde bucal não foram muito adequadas, já que muitos não utilizavam fio dental na higienização dos seus filhos, as crianças faziam uso de mamadeira e não realizavam escovação após a alimentação. O consumo de açúcar esteve associado à presença de placa dentária nas crianças (p=0,05). No entanto, a prática de escovação dentária era realizada na maioria dos casos pelos pais e esteve associada ao bom índice de ceo-d das crianças (p=0,04).

Conclusão

A condição de saúde bucal das crianças no estudo era boa, porém as atitudes relacionadas à saúde bucal realizadas pelos pais não foram adequadas.

Descritores:  Saúde bucal; atitude; pré-escolar, educação em saúde

INTRODUCTION

Oral diseases are among the most common and widespread problems throughout the world. Poor oral health may have a significant impact on children's quality of life, which leads to general deterioration of health1. Children with poor oral health are more likely to miss school than are those with good oral health. Pain, discomfort, sleepless nights and time missed from school or work are common problems for many children and adults around the world2.

Even though dental caries and periodontal diseases, the most common diseases in dentistry, are preventable or easily controlled using simple procedures such as tooth brushing, controlling the frequency of sugar consumption, appropriate use of fluoride and periodic visits to the dentist, good oral health has not yet reached the population at large. One of the possible explanations for the high prevalence and incidence of these pathologies is their association with social, economic, political and educational conditions, and not only biological determining factors that interact in the etiology of these diseases3.

Among the many different approaches to the prevention of dental diseases, the most cost-effective method is health education4. Educational and motivational programs in oral health have been implemented so that most of the population can have access to information related to problems in the oral cavity and guidelines for hygiene, as well as motivation to pay special attention to oral health3.

The World Health Organization (WHO) recommends integrating oral health promotion into curricular activities in the schools. Moreover, educational practices should consider other issues such as healthy eating, smoking, sexual health, cardiac diseases and obesity. It seems, however, that the success of programs promoting oral health in the schools depends largely on reinforcement at home, especially by the parents5.

Educational strategies focused on parents of preschoolers are highly valuable, since their behavior regarding oral health has a direct influence on the number of dental caries of their children6. Parents' attitudes have a positive impact on the state of children's oral health; because the parents control tooth brushing and sugar consumption, the children develop positive oral health habits7. The parents are primarily responsible for almost all their children's health problems. Therefore, their role is fundamental in raising children to practice preventive oral health throughout their lives8. Considering this fact, the aim of the present study is to evaluate parents' and/or responsible adults' attitudes toward their children's oral health and to determine the prevalence of dental caries in children enrolled in the municipal elementary schools in the city of Araçatuba.

MATERIAL AND METHOD

This is a quantitative, exploratory, cross-sectional, analytical study, conducted in three municipal elementary schools (MES) in Araçatuba city. Participation in the extension project of oral health education was conducted by Social and Preventive Dentistry Program.

There were 147 parents or responsible adults and their respective children from 0 to 6 years of age, who studied in the MES, that consented to participate in the present study. Data collection was conducted for six months, following a pilot study in which all variables were tested.

Data were collected using a self-applied, semi-structured questionnaire with closed questions, especially designed for research. The proposed questions addressed sociodemographic and parents' attitudinal data regarding oral health.

The sociodemographic variables for the parents include: age, gender, ethnicity, marital status, level of schooling, employment and family income. The questions related to attitudes regarding the oral health of their children include: who performs oral hygiene, what is used for oral cleaning, the frequency of tooth brushing, replacement of the toothbrush, the use of dental floss, consumption of sugar, if the child is breast-feeding or using a bottle before bedtime, if cleaning is done after breast-feeding, if the child has already visited the dentist and for what reason.

An oral health exam was performed on the preschoolers, conducted by the researcher, in their own school. Probes and oral mirrors recommended by the World Health Organization (WHO) were used to perform the exams. The condition of the teeth was evaluated according to the codes and criteria of the WHO9 for epidemiological investigation. The mean number of decayed, missing or filled teeth (dmft) was used for the condition of the teeth. Children's oral hygiene was also determined according to the Index of Oral Hygiene–Simplified, (IOH-S), described by Greene, Vermillion10.

Descriptive analyses were performed for the sociodemographic characterization of the population and the parents' attitudes, using measures of central tendency (simple frequencies, means and medians) and measures of dispersion (standard deviation). The region for rejecting or not rejecting any hypothesis was considered at the 0.05 level of significance. Bivariate analyses were conducted for the condition of children's oral health (dependent variables) using the Chi-squared (x²) test and Fisher's exact test (for 2x2 tables) was used where expected results were less than five, or, the ratio of maximum likelihood for questions admitting more than two categories. All statistical analyses were performed using the SPSS, version 21.0 program.

This study was approved by the Committee for Ethics in Research involving humans of the Paulista State University – College of Dentistry, of Araçatuba Dental School. It was conducted with the understanding and written consent of each participant.

RESULT

Among those interviewed, the majority were female (60.5%), aged from 20 to 29 years (40.1%), white (45.6%), married (46.3%) and had completed high school (43.5%) (Table 1). Most claimed to be private employed (40.8%), but there were 23 parents who were unemployed or who had never worked. The mean income was between 1 and 2 minimum wages (51%) and with no assistance from the Bolsa Familia (77.6%) (Table 1).

Table 1 Socio-demographic characteristics of the parents participating in the study, Araçatuba, 2014 

Variables n %
Gender
Female 89 60.5
Male 56 38.1
Age
18 to 29 years 61 41.5
30 to 39 years 58 39.5
40 to 59 years 12 8.1
60 plus 4 2.7
Race
White 67 45.6
Black 17 11.6
“Pardo 50 34.0
Indians 6 4.1
Marital Status
Single 55 37.4
Married 68 46.3
Consensual Union 15 10.2
Divorced 3 2.0
Education
Illiterate 2 1.4
Elementary incomplete 13 8.8
Elementary complete 16 10.9
High School incomplete 19 12.9
High School complete 64 43.5
College incomplete 9 6.1
College complete 16 10.9
Link to employment
Self-employed 27 18.4
Public employment 8 5.4
Private employment 60 40.8
Unemployed 23 14.9
Personal Income
Less than 1 MS 13 8.8
1 to 2 MS 75 51.0
3 to 4 MS 41 27.9
5 to 6 MS 6 4.1
More than 10 MS 2 1.4
Receive “Bolsa Família”
Yes 27 18.4
No 114 77.6

The state of the children's oral health was good, with a mean dmft of 0.68 (Standard deviation=1.7) (0.52 decayed teeth, sd=1.41 and 0.16 filled teeth, sd=0.56). Most of the children showed a mean Index of Oral Hygiene (1.51 IOHS, sd=0.48) (Table 2).

Table 2 Oral health characteristics of school children at the study, Araçatuba, 2014 

Variables Lower value Higher value Median Average Standard deviation
Number of teeth 8 24 20.00 17.99 3.99
Decayed teeth 0 9 0 0.52 1.41
Missing teeth 0 0 - - -
Filled teeth 0 3 0 0.16 0.56
dmft 0 10 0 0.68 1.70
IOHS 0.33 2.66 1.50 1.51 0.48

As for the parents' attitudes in relation to the oral health of their children, cleaning of the children's teeth is done in most cases by the parents (70.1%), using a tooth brush (97.3%) and tooth paste (93.2%). Frequency of brushing was twice a day (39.5%) and they rarely used dental floss (33.3%). The consumption of sugar is low, consuming less than once a day (44.2%) (Table 3).

Table 3 Parents' attitudes in relation to oral health of their children, Araçatuba, 2014 

Variables n %
Who brush the teeth of your children?
The children 32 21.8
Father/Mother 103 70.1
Other 8 5.4
What do you use to clean your children's teeth?
no seu filho?
Thoothbrush 143 97.3
Tooth paste 137 93.2
Dental floss 60 40.8
Oral rising 29 19.7
Wooden toothpick 16 10.9
How often do you brush your teeth per day?
do seu filho?
One time 14 9.5
Twice 58 39.5
3 times 46 31.3
4 times 4 2.7
After all the meals 21 14.3
How often do you change your toothbrush?
do seu filho?
Every month 33 22.4
Every 6 months 78 53.1
Every year 2 1.4
Old and worn 29 19.7
How often do you use dental floss?
do seu filho?
After brush the teeth 19 12.9
Once a day 27 18.4
Once a week 12 8.2
Rarely 49 33.3
Never 34 23.1
How often do you consume sugar during the day?
de seu filho(a):
Higher, 3 times or more 14 9.5
Media, twice a day 54 36.7
Lower, once a day 65 44.2
No consume 7 4.8
Do you breastfeed or give bottle to put the child to bed?
Yes 91 61.9
No 47 32.0
I don't know 2 1.4
If yes, do you clean their mouth after?
Yes 37 40.6
No 42 46.1
I don't know 5 5.5
Have your children ever been in a dentist?
Yes 95 64.6
No 51 34.7
If yes, what the reason?
Prevention / Routine 71 74.7
Toothache 8 8.4
Broken tooth 6 6.3
No information 10 10.5

Most of the mothers do not clean their children's mouths (46.1%) after breast-feeding or using bottles, which many use to put the child to bed (61.9%). Most declared that their children had been to the dentist (64.6%) as prevention/routine (74.7%). The mothers responded that educational and preventive activities done at school were important for their child (96%) (Table 3).

Few statistically significant associations were found, in the bivariate analysis, between parents' attitudes and the state of their children's oral health. Using the dmft as the dependent variable, the person who does the children's oral cleaning has an association of p<0.05. Using IOH-S as the dependent variable, the frequency of sugar consumption had statistical association (Table 4).

Table 4 Bivariate analysis between oral health variables (dependent) and the attitude of parents (independent), Araçatuba, 2014 

Variables dmft IOHS
0 1or > pvalue Bad/ Fair Good pvalue
Who brush the teeth of your children? 0.046 ** 0.448**
The children 23 9 27 1
Father/Mother 87 16 84 7
How often do you brush your teeth per day?
do seu filho?
0.552** 0.630**
One time 10 4 14 -
Twice 48 10 47 4
3 times 38 8 40 3
4 times 2 2 4 -
After all the meals 16 5 13 1
How often do you change your toothbrush?
do seu filho?
0.542** 0.921**
Every month 25 8 24 2
Every 6 months 61 17 68 4
Every year 2 - 2 -
Old and worn 25 4 24 2
How often do you use dental floss?
do seu filho?
0.634** 0.775**
After brush the teeth 17 2 15 1
Once a day 20 7 22 2
Once a week 10 2 10 1
Rarely 37 12 43 1
Never 28 6 27 2
How often do you consume sugar during the day?
de seu filho(a):
0.946** 0.050 **
Higher, 3 times or more 11 3 13 -
Media, twice a day 43 11 47 1
Lower, once a day 50 15 48 7
No consume 6 1 7 -
Do you breastfeed or give bottle to put the child to bed? 0.441** 0.367**
Yes 70 21 75 7
No 39 8 39 1
I don't know 2 - 1 -
If yes, do you clean their mouth after? 0.272** 0.548**
Yes 26 11 30 2
No 35 7 36 3
I don't know 3 2 3 1
Have your children ever been in a dentist? 0.525 0.717*
Yes 74 21 78 7
No 42 9 42 2
If yes, what the reason? 0.885** 0.533**
Prevention / Routine 6 2 7 1
Toothache 5 1 6 -
Broken tooth 53 18 57 6

*Fisher's exact test.

**Likelihood ratio test.

Numbers in bold represent p<0.05.

DISCUSSION

Oral health plays an important role in the general well-being of individuals, and parents' behaviors/attitudes may affect the oral health of their children. The adoption of good oral health habits in childhood often leads to positive results in the quality of the health and life of the children11. Parents and responsible adults are the principle actors in the children's development in the first years of life. Thus, the interventions directed at parents' beliefs and attitudes about oral health may be beneficial in the prevention of oral problems such as dental caries12.

The state of the oral health of the children who participated in the present study was good, with a mean dmft lower than the results found in the 2010 SB Brazil project13, and 79.6% of the sample was free of caries. These results are similar to other recent studies conducted in Brazil, with the minority of children having experience with caries14.

The participants in the present study were mainly female, who completed high school education and had a low socioeconomic level. Low purchasing power is a condition that hinders the search for a healthy life; thus, people living in situations of risk cannot satisfy their basic needs, one example is oral hygiene. In this sense, there is greater predisposition for the occurrence of dental caries in the children of low-income mothers15. The results of the present study confirmed the fact that parents living with low incomes and who have not had higher education show less chance of having higher levels of positive dental attitudes, as found in other studies16,17.

Even with the majority of children being free of caries, some unsuitable behaviors regarding oral care were found in the results of this study. Less than half the parents reported using dental floss in cleaning their children's teeth and, when they do use it, the frequency is low. Auxiliary methods of cleaning, like dental flossing, should be used when adjacent teeth are touching, as recommended by the American Association for Pediatric Dentistry18. In the study by Chhabra, Chhabra19, the non-use of dental floss and rinses was also observed, due to the lack of knowledge about oral health and the cost of such auxiliaries.

As for using the bottle, 61.9% of the children do use it, and 46.1% of the parents do not clean the child's mouth after using the bottle. These findings corroborate a study conducted with parents of school children in India, which showed that parents disagreed about the night-time use of the bottle as a cause of problems. This was due to the lack of knowledge about harmful habits that can cause oral diseases20.

The results of the present study found that 70.8% of the children brushed their teeth two or three times per day. Some (21.8%) of the parents report that their children brush their own teeth, and it is recommended that the adults perform, or help, children less than five years of age with their brushing. These children are only partially capable of performing brushing, due to the lack of dexterity and knowledge necessary for proper cleaning21. This fact may have influenced the good state of oral health of the children in the present study, having few decayed, missing or filled teeth, since a statistically significant association was observed between the father/mother in the tooth brushing of the children having a low dmft index.

The rate of carious activity is higher in those patients who began tooth brushing without parental supervision, who began to consume sucrose before the first year of life and who eat between the main meals15. It was observed that the consumption of sugar by the children was associated with an average/poor dental plaque index. Childhood dietary habits constitute an important factor in the etiology and progression of the carious disease; and, discrimination as to the preference for flavors occurs in the developmental phase of the child. This makes guidance, not only in habits of oral hygiene but also in relation to the rational consumption of sugar, fundamental22. Thus, nutritional guidance should be included in planning of health education in a concrete way, emphasizing the importance of eating habits in the context of general and oral health. Childhood is the most important time for learning the principles that guide proper diet.

The results of the present study may provide a view of the relationship between parents' attitudes and their children's oral health; but, there are some limitations because the study is cross-sectional and the sample is not very large, with parents and children from three municipal schools. There are also problems related to understanding the questionnaire. For example, despite the majority of parents having completed high school, there are some who were illiterate or had very few years of study. Memory bias, in responding to the questions, may also have been a limitation.

However, the results revealed that parents perform a central role in the transference of information related to the health and to the healthy behavior of their children. Furthermore, mothers are considered as models to be followed because they transfer the values, norms and attitudes that are accepted for their children. Thus, interventions that are frequently concentrated only on children and in the school environment should be expanded to the parents and responsible adults in school meetings, in the community or the health services.

CONCLUSION

The state of children's oral health in the present study was good; however, not all the attitudes related to oral health performed by the parents were good. Many did not use dental floss in cleaning their children's teeth, they used the bottle and did not brush after feeding. The consumption of sugar was associated with the presence of dental plaque in the children. Nevertheless, the practice of tooth brushing was performed in the majority of cases by the parents and was associated with a good dmft index in the children.

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Received: May 11, 2015; Accepted: May 20, 2015

CONFLICTS OF INTERESTS: The authors declare no conflicts of interest.

*CORRESPONDING AUTHOR: Gabriella Barreto Soares, Faculdade de Odontologia, UNESP – Universidade Estadual Paulista, Rua José Bonifácio, 1193, Vila Mendonça, 16015-050 Araçatuba - SP, Brasil, e-mail: gabriella.barreto@yahoo.com.br

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