Correlations between Sleep Bruxism and Temporomandibular Disorders

Abstract

The aim of this study was to identify correlations between sleep bruxism (SB) and temporomandibular disorders (TMD) as diagnosed by means of the research diagnostic criteria for temporomandibular disorders (RDC/TMD). Sleep bruxism was diagnosed on the basis of I) validated questionnaires, II) clinical symptoms, and III) electromyographic/electrocardiographic data. A total of 110 subjects were included in the study. Fifty-eight patients were identified as bruxers and 52 as nonbruxers. A psychosocial assessment was also performed. An RDC/TMD group-I diagnosis (myofascial pain) was made for 10 out of 58 bruxers, whereas none of the nonbruxers received a diagnosis of this type. No significant differences were found between bruxers and nonbruxers with regard to RDC/TMD group-II (disc displacement) and group-III (arthralgia, arthritis, arthrosis) diagnoses. Somatization was significantly more common among bruxers than nonbruxers. Multivariate logistic regression analysis revealed that somatization was the only factor significantly correlated with the diagnosis of myofascial pain. The results of this study indicate a correlation between myofascial pain, as diagnosed using the RDC/TMD, and somatization. It seems that somatization is a stronger predictor of an RDC/TMD diagnosis of myofascial pain than sleep bruxism is.

Electromyographic Patterns of Masticatory Muscles in Relation to Active Myofascial Trigger Points of the Upper Trapezius and Temporomandibular Disorders

“…Therefore, we used the clinical examination based on the Axis-I protocol of the RDC/TM. Moreover, the Axis I section of the RDC/TMD form is widely used in the current literature in high-impact journals [ 47 , 48 , 49 , 50 ]. Secondly, the study sample consists of young adults aged 18 to 35.…”

Influence of Implant Design and Under-Preparation of the Implant Site on Implant Primary Stability. An In Vitro Study

“…Although implant therapy has shown excellent survival rates over the years, there are still some biological and biomechanical problems associated with this procedure, such as implant failure, implant overload, screw loosening, etc. [12,13].…”

Signal acquisition and analysis of ambulatory electromyographic recordings for the assessment of sleep bruxism: A scoping review

“…Devices used more commonly were the 'Grindcare' in different versions 22,31,37,52,56,57,[61][62][63][64][66][67][68][69][70] (n = 15; 19%), followed by the 'Bitestrip' 13,[71][72][73][74][75][76][77][78][79][80][81] (n = 12; 15%), and the 'Bruxoff' 30,[82][83][84][85][86][87][88][89] (n = 9; 12%) device (see online Appendix for overview). Pictures of devices were provided in 18 (23%) of the studies.…”