DELETERIOUS ORAL HABITS: RELATIONSHIP WITH THE Z-SCORE BOBY MASS INDEX AND ANXIETY IN CHILDREN

Evaluate the relationship between the presence of deleterious oral habits, the Z-score of BMI and anxiety in scholars. Analytical cross-sectional study of 64 children from a Municipal Public School in the city of Santa Maria-RS from May to November 2013. It was verified anthropometry and applied a deleterious oral habit's questionnaire, for assessment of anxiety was used the The Revised Childrens Manifest Anxiety Scale (RCMAS). Data were analyzed in Stata10, was calculated the median and used Wilcoxon test, considering as significant p<0.05. Results: 59.4 % of the students were female, the BMI Z-score median was higher in boys and the RCMAS median score was higher in girls (p<0.05). The presence of the habit of biting objects and mouth/tongue/cheek were the ones which showed higher scores on the anxiety scale (p<0.05). The anxiety score was similar in relation to the nutritional status of the children. It was conclude that the Z-score of BMI is not associated with the presence of deleterious oral habits, but girls and students who have at least one deleterious oral habit and mainly the habit of biting objects and corner of the mouth/tongue/cheek have higher scores for anxiety. Keywords: Habits. Body Mass Index. Anxiety. Children. RESUMO Avaliar a relacao entre a presenca de habitos orais deleterios, pontuacao Z-score do IMC e ansiedade em criancas em idade escolar. Estudo transversal analitico com 64 criancas de uma Escola Publica Municipal de Santa Maria-RS no periodo de maio a novembro de 2013. Foi verificada antropometria e aplicado questionario sobre habitos orais deleterios, para avaliacao de ansiedade aplicou-se Escala "O que penso e sinto" (OQPS). Os dados foram analisados em Stata10, foi calculada mediana e utilizado teste de Wilcoxon, considerando como significante p <0,05. Resultados: 59,4% dos alunos eram do sexo feminino, a mediana do Z-score do IMC foi maior nos meninos e o Z-score medio do OQPS foi maior nas meninas (p <0,05). A presenca dos habitos de morder objetos e boca / lingua / bochecha foram os que apresentaram maiores escores na escala de ansiedade (p <0,05). O escore de ansiedade foi semelhante em relacao ao estado nutricional das criancas. Concluiu-se que o Z-score do IMC nao esta associado a presenca de habitos orais deleterios, mas meninas e estudantes que tem pelo menos um habito oral deleterio e principalmente o habito de morder objetos e canto da boca / lingua / bochecha tem escores mais altos para a ansiedade. Palavras-chave: Habitos. Indice de massa corporal. Ansiedade. Criancas.