Abstract
Aim: To evaluate the prevalence of sleep bruxism in childrenbetween 2 to 6 years old in primary dentition in a public school(A1) and a private school (A2) in the state of Piauí. Method: Itwas cross-sectional and quantitative study in 370 participants,180 in A1 and 190 in A2. The questionnaire to help diagnosebruxism was applied to parents. In the clinical examination,dental wear was evaluated, checking for the presence ofshiny and polished facets on deciduous incisors and / ormolars (palatal surface, incisal edges and working cusps)and the results were noted in the odontogram. Students whohad bruxism participated in group 1 (G1) and those who didnot have it were in the control group (CG) in both A1 and A2.Results: One hundred and five children had sleep bruxism.Tooth wear was more prevalent in the male gender. Both in A1and in A2 and in both genders, wear on primary molars wasmore frequent than in canines. Conclusion: The prevalence ofbruxism in children between 2 and 6 years of age was 28.3%,with a predominance in males. There was an associationbetween sleep bruxism and the habit of sucking a finger,pacifier, bottle use and the habit of awake bruxism. In 98.09%of the children who had sleep bruxism, teeth pain was found.
Highlights
Bruxism is a repetitive jaw-muscle activity characterized by clenching or grinding the teeth and/or by bracing or thrusting the mandible that occurs in adults and children, characterized by clenching or clenching teeth
In order to successfully achieve the objective of the present study, it was based on the survey by the Brazilian Institute of Geography and Statistics, which estimates an estimated 15.000 people in the target population: children living in the city of Parnaíba-Pi aged 2 to 6 years
Based on the data collected from 370 children, it was possible to observe that the sleep bruxism (SB) rate was 28.3%, that is, 105 children showed the behavior of grinding and / or clenching their teeth during sleep
Summary
Bruxism is a repetitive jaw-muscle activity characterized by clenching or grinding the teeth and/or by bracing or thrusting the mandible that occurs in adults and children, characterized by clenching or clenching teeth. It can occur during the day, daytime bruxism or at night, sleep bruxism (SB)[1]. The most common signs and symptoms are: dental wear, marks on the cheek mucosa, fractures of restorations, temporomandibular pain and dysfunction, muscle hypertrophy and headache In children they can be related to headaches and cause extensive damage to primary teeth, such as pain and tooth wear. As primary dentition has an influence on the development of permanent dentition, regular examination of children is an opportunity to intercept the appearance of disorders of the stomatognathic system[4]
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