Aim: The aim of the present study was to determine the prevalence and determinants of temporomandibular disorders (TMD) among 12- to 15-year-old adolescents of Faridabad.
Materials and methods: The study included a sample of 300 adolescents (132 males and 168 females) with age ranging from 12 to 15 years. Data were collected through clinical examination and Fonseca anamnestic questionnaire. The prevalence of TMD signs was assessed through Fonseca anamnestic questionnaire while TMD symptoms were measured by clinical examination. Various determinants of TMDs such as Angle\'s classification, crossbite, overjet, overbite were also recorded. Data were then analyzed using SPSS version 21. Inferential statistics were performed using Chi-square test.
Results: The overall prevalence of both TMD signs and symptoms was 51%. Females had higher prevalence (57.1%) of TMD symptoms when compared to males (43.2%). TMD signs has shown a statistical significant relationship with overbite (p = 0.007) and bruxism (p < 0.0001) only. No significant association was found between age, gender, Angle\'s molar relation, crossbite, and TMD signs. Statistical significant association was found between gender (p = 0.016), Angle\'s molar relation (p = 0.005), overbite (p = 0.001), crossbite (p = 0.030), bruxism (p < 0.0001), and TMD symptoms.
Conclusion: No Significant relationship was reported between malocclusions and TMD sign except for overbite and bruxism, but significant relationship were found between TMD symptoms and malocclusion.