Abstract

BORTOLLETO, Paula Próspero Borelli; MOREIRA, Ana Paula Sereni Manfredi  and  MADUREIRA, Paulo Roberto de. Analyses parafunctional habits and association with Temporomandibular Disorder. Rev. Assoc. Paul. Cir. Dent. [online]. 2013, vol.67, n.3, pp. 216-221. ISSN 0004-5276.

Aim: Parafunctional habits are one of the etiological factors associated with temporomandibular disorders (TMD). The aim of this study was to determine the prevalence of the most frequently parafunctional habits found among employees and students from the University of Campinas (Unicamp), Sao Paulo, Brazil, and analyze their association with TMD in this population. Methods: This is a transversal study and after the selection criteria, 172 subjects participated in the survey. Results: The selected participants were: 31% men and 69% women aged, 17 to 78 years. The parafunctional habits were frequently reported from grinding and/or clenching during the day (61%), followed by grinding and/or clenching during the night (47%), and biting nail and/or cuticle (37.2%). Conclusions: We observed that was statistical association between TMD and habits of grinding/clenching during the day and during the night. There wasn't the same association in relation to other habits such as biting nail, cuticle, objects, lips and chewing gum.

Keywords : temporomandibular joint; temporomandibular joint disorders; temporomandibular joint dysfunction syndrome.