Assessment of noise temporomandibular joint in children with bruxism
Avaliação dos ruídos da articulação temporomandibular em crianças com bruxismo
Lara Jansiski Motta; Paula Fernanda da Costa Silva; Camila Haddad Leal de Godoy; Carolina Carvalho Bortoletto; Patrícia Rodrigues de Ázara Garcia; Fernanda Cordeiro da Silva; Sandra Kalil Bussadori
Abstract
Purpose: the aim of the present study was to determine whether between bruxism is associated with joint sounds in children.
Methods: children aged six to nine years were recruited from the pediatric clinic of the School of Dentistry of Nove de Julho University (Brazil). Twenty-one children with bruxism and 27 children without this disorder (control group) were selected. The evaluation was performed by a previously trained examiner who was blinded to the allocation of the groups and involved manual palpation as well as lateral and dorsal extra-auricular auscultation of the temporomandibular joints with the aid of a stethoscope for the determination of joint sounds, differentiating a click/pop from crepitation. At least three readings were performed on each child. Descriptive statistics were conducted and the chi-square test was used to test the strength of associations between variables, with the level of significance set to 5% (p < 0.05).
Results: a total of 37.5% (n = 18) of the sample exhibited some type of joint sound. Among these children, 72.2% (n = 13) exhibited a click/pop and 27.8% (n = 5) exhibited crepitation. Of the 18 children who presented some typical noise, 66,7% (n=12) were also bruxism. A statistically significant association was found between joint sounds and bruxism. No association was found between joints sounds and gender. However, a significant association was found with regard to age, as a greater percentage of children at six years of age had no joint sounds.
Conclusion: the present data demonstrate an association between bruxism and joint sounds in children.
Keywords
Resumo
Objetivo: avaliar se há relação entre bruxismo e presença de ruídos articulares em crianças.
Métodos: participaram do estudo 48 crianças entre 6 e 9 anos atendidas na Clínica Infantil da Faculdade de Odontologia da Universidade Nove de Julho. Foram selecionadas 21 crianças com bruxismo e 27 crianças no grupo controle. Um único examinador previamente treinado e “cego” em relação aos grupos realizou exame de palpação manual e auscultação bilateral das Articulações Temporomandibulares com a utilização de estetoscópio, extra-auricular lateral e dorsal para a análise dos ruídos articulares, diferenciando-os em crepitação e estalidos. Foi realizado o número mínimo de 3 repetições nas mensurações dos ruídos para cada criança. Foram realizadas as análises descritivas de todas as variáveis e o teste qui-quadrado foi utilizado para avaliar a associação entre as variáveis, adotando-se um nível de significância de 5%.
Resultados: em relação à presença de ruído 37,5% (n=18) apresentaram algum tipo de ruído articular, sendo que 72,2% (n=13) apresentaram estalido e 27,8% (n=5) apresentaram crepitação. Das 18 crianças que apresentaram algum tipo de ruído, 66,7% (n=12) também eram bruxistas. Foi observada associação estatisticamente significante entre a presença de ruído e bruxismo. Ao analisar a associação entre ruído e as variáveis gênero e idade, o grupo estudado não houve associação entre ruído e gênero, porém em relação à idade, houve uma maior porcentagem de crianças sem a presença de ruído articular aos 6 anos de idade, sendo estatisticamente significante.
Conclusão: os dados do presente estudo mostraram associação entre bruxismo e ruídos articulares em crianças.
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Referências
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Submetido em:
20/01/2014
Aceito em:
03/05/2014
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