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Résumé

Le but de ce travail est de déterminer l'effet des parafonctions orales sur le développement des troubles temporo-mandibulaires (TTM). 1,976 garçons et filles de 3-15 ans ont été examinés cliniquement pour découvrir s'ils présentent des signes de troubles temporo-mandibulaires. Concernant les symptômes de TTM et l'histoire des parafonctions orales un questionnaire a été soumis aux parents. Les résultats ont confirmé une relation significative entre l'habitude de se mordre les joues, de se ronger les ongles, le bruxisme, la succion du pouce et les signes et symptômes des TTM. Le résultat est en accord avec le thème qui prouve que les parafonctions orales jouent un rôle significatif dans la cause des TTM et doit être soumis au dentiste pédiatrique pour diminuer son influence sur le système stomatologique.

Abstract
Association between temporo-mandibular disorders and oral parafunctions in Saudi children

The purpose of the present investigation was to determine the relationship between oral parafunctions and the development of temporomandibualr disorders (TMD). A group of 1,976 children aged 3-15 years old, were randomly selected and underwent an examination that consisted of palpation and assessment of the temporomandibular joints and associated muscles for tenderness and joint sounds. Maximum vertical opening and deviation during jaw opening were also recorded. The parents were requested to complete a questionnaire contained questions regarding symptoms of TMD and history of oral parafunctions. Results showed significant correlations between cheek biting, nail biting, bruxism, thumb sucking and most of TMD signs and symptoms. The results of the study support the concept that oral parafunctions have a significant role in the aetiology of TMD and should be tackled by the paediatric dentists to minimise their effects on the stomatological system.