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Revista de Odontologia da UNESP

versão On-line ISSN 1807-2577


LIMA, Laynna Marina Santos et al. Impact of dental fluorosis on the quality of life of children and adolescents. Rev. odontol. UNESP [online]. 2014, vol.43, n.5, pp.326-332. ISSN 1807-2577.


Dental fluorosis is a disturbance of high prevalence caused by the ingestion of fluoride ions present mainly in toothpaste. Preventive measures to avoid it are still controversial. Thus, knowing the impact that fluorosis can cause on the population's quality of life it is important for planning public health policies.


To evaluate the impact of dental fluorosis on the quality of life of children and adolescents.


We studied 300 subjects aged 8 to 12 years divided into 4 groups: children (8-10 years) and adolescents (10 to 12 years) with and without fluorosis. The diagnosis of fluorosis was performed according to the index Thylstrup and Fejerskov and quality of life was evaluated using Child Perceptions Questionnaire 8-10 and 11-14. The socio-demographic characteristics of the patients were also evaluated. For inclusion in the sample, selected patients should present eight permanent incisors with crowns fully erupted. Patients who had extensive restorations, fractured teeth, other dental enamel defects and who wore braces were excluded.


Fluorosis was present in 64.7% of the patients analyzed and in most cases (80.3%) was mild or very mild. In children, the average overall score of the questionnaire was 15.9 for the group without fluorosis and 18.3 for the group with fluorosis (p = 0.255). The teenagers' score in the group without fluorosis was 26.1, while the group with fluorosis was 22.7 (p = 0.104).


Dental fluorosis caused impact on the quality of life of the population analyzed only in the functional domain.

Palavras-chave : Dental fluorosis; quality of life; perception.

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