• E Somay and N Tekkarismaz.
• Department of Oral Maxillofacial Surgery, Dental Clinic of Baskent University, Dr. Turgut Noyan Research and Practice Hospital, Adana, Turkey.
• Niger J Clin Pract. 2020 Oct 1; 23 (10): 1375-1380.

BackgroundChronic renal failure can cause anxiety, stress, and decrease the life quality. Therefore, this may lead to sleep bruxism, temporomandibular disorders (TMDs), and related health problems.AimThis study evaluated the incidence of sleep bruxism and TMDs in patients undergoing hemodialysis and compared it with that of healthy individuals.Subjects And MethodsA total of 137 patients (68 hemodialysis patients and 69 healthy individuals) participated in this study. They all filled out a form about age, sex, educational status, marital status, sleep disorders, sleep bruxism, temporomandibular problems, and ice/hard things chewing habits. We performed a muscle examination and used a questionnaire to evaluate the causes of TMD. Parafunctional habits and emotional stress status were examined with these YES/NO question forms. Teeth attritions and six common symptoms (limited mouth opening, deviation/deflexion, clicking, muscle sensitivity, pain, and presence of linea alba) of TMDs and sleep bruxism were evaluated via a clinical examination. The level of significance was determined at P < 0.05.ResultsParafunctional habits such as sleep bruxism (55.1%) (P = 0.010), emotional stress (69.1%) (P = 0.006), sleep disorders (47,1%) (P = 0.000), unilateral chewing (54.4%) (P = 0.040), gum-chewing (45.6%) (P = 0.000), ice chewing (23.5%) (P = 0,000), and hard things biting habits (7.4%) (P = 0.028) were statistically higher in the hemodialysis group than the control group. Deviation/deflexion and presence of linea alba were more frequent in the hemodialysis group than the control group.ConclusionsIt can be concluded that hemodialysis patients are more sensitive to TMDs, sleep bruxism and related dental health problems than healthy individuals.

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