1819 Sleeping Bruxism and Orofacial Dysfunction in Children and Adolescents. (October 2012)

• Record Type: Journal Article
• Authors: Gavião, MBD; Montes, ABM; Castelo, PM; Kobayashi, F; Marquezin, MCS
• Is Part Of: Archives of disease in childhood. Volume 97(2012)Supplement 2
• Page Start: A515
• Page End: A515
• Publication Date: 2012-10
• Subjects: Children -- Diseases -- Periodicals; Infants -- Diseases -- Periodicals; 618.920005
• DOI: 10.1136/archdischild-2012-302724.1819
• Languages: English
• ISSNs: 0003-9888

Abstract

Abstract : Background and Aim: Sleep bruxism (SB) is a parafunctional oromotor habit that can pose a threat to the integrity of the masticatory system. Thus, this study aimed to evaluate temporomandibular disorders (TMD) and orofacial dysfunction in children and adolescents with SB, taking on a case-control study design. Methods: Three hundred and sixteen subjects aged from 7 to 17 years were examined. From these, 52 presented SB (Case Group) according to parent's report about teeth grinding or clenching at least three time a week and presence of dental wear facets according clinical examination. The Control Group was composed by 104 gender/age/dentition phase-matched subjects. The mean age was 10.86±2.32 years. TMD was evaluated according to the Research Diagnostic Criteria for Temporomandibular Disorders (RDC/TMD) Axis I. For orofacial dysfunction diagnosis, it was used The Nordic Orofacial Test Screnning (NOT-s). The data were analyzed using descriptive statistics, Shapiro-Wilks, unpaired t test, Mahn-Whitney, Qui-square and Fisher's exact tests, when indicated, considering α=0.05. Results: The prevalence of SB was higher in boys (60%) than girls ( P <0.05). The presence of TMD was similar in both groups ( P >0.05). Subjects with SB presented NOT-S scores significant higher than subjects without SB ( P =0.002), as well as girls in relation to boys in Case ( P =0.010) and Control ( P =0.019) groups for NOT-s interview. Habits, impairment in chewing, in swallowing and in masticatory muscles were determinant factors upon orofacial dysfunction. Conclusions: TMD was not implied in BS, but the orofacial dysfunction could be considered influencing factor in children and adolescents with SB.