Muhammad Umar Shah, Zainab Khalid, Rummana Aqeel, Muhammad Saad Mateen Munshi, Shafquat Hussain Khuwaja, Hanna Abdul Majeed.
Prevalence of temporo-mandibular joint disorders and associated morbidity among the patients attending dental clinic.
Isra Med J Jan ;12(3):149-53.

Objective: To evaluate the prevalence and association of temporomandibular joint (TMJ) disorders with mal-occlusion types, age and gender in patients attending the Outdoor Dental Clinic. Study Design: A Cross-sectional Observational study. Place and Duration: At Lahore Medical and Dental College, Lahore from 3rd March 2019 to 3rd May 2019. Methodology: A Total 200 of patients from both genders, selected to see prevalence of Temporo-mandibular joint (TMJ) disorders with mal-occlusion types in relation to age and gender. The mal-occlusion were assessed by Angle's Classification, different type of problems or symptoms were recorded and association with age and sex assessed. Results: Most prevalent mal-occlusion in our studied patients were Angle's Class-II (42.5%), followed by Class-I (27%). High prevalence of Temporomandibular joint problems was found among female (62.5%), as compared to the male (37.5%). Majority of patients (71%) were between 20-40 year of age. Clicking was the most prevalent problem reported in both genders (females 59.0%, males 41.0%). Association of Temporomandibular joint problems with malocclusion, age and gender was found using Chi Square test. Statistically insignificant association of Temporomandibular joint problems with respect to age and gender and malocclusion was found. Head and neck muscle pain had significant association with age. (p 0.005). Highest prevalence was reported in age group >40 year. Conclusion: TMJ problems had no significant association with mal-occlusion types, age and gender, however head and neck muscle pain showed a significant association with age.

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