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Primary dental care facilities and awareness about temporomandibular disorders are lacking among the indigenous population of Kerala. The aim of the study was to determine the prevalence of temporomandibular joint dysfunction (TMD) disorders among the indigenous populations of Kerala. This cross-sectional study included adults aged 18 years and above, visiting primary health care centre in the tribal hamlet in the town of Kalpetta, Wayanad District, Kerala, India, for reasons other than dental. Axis I and II of Research Diagnostic Criteria for Temporomandibular Disorders (DC/TMD) was used to screen for TMD. A local language validated screening questionnaire was used. The clinical examination was carried out as per the DC/TMD by a calibrated examiner. The data was processed using SPSS and the frequencies and proportions for signs and symptoms of TMD were estimated. Among 198 adults screened, 23 (11.6 %) had TMD. Among these 60 % of the adults were aged 31–65 years and predominantly females (86.9 %). 39 % of these patients were dentulous. All affected adults experienced TMD related pain for more than 3 months with 90 % of them experiencing moderate-to-severe pain. Myofascial pain was the most prevalent type. Other findings included moderate anxiety levels in 34.8 % and abnormal oral behaviour and high physical symptoms in 40 % TMD patients. TMD disorders were prevalent among the indigenous population and remained undiagnosed. The study highlights the need for screening and the availability of basic dental care for the indigenous populations.
Saranya et al. (Sat,) studied this question.