Objective: The purpose of study was to explore the prevalence of TMD and level of severity among undergraduate students.

Method: This analytical crossectional study was conducted in Lahore. Data was collected from 406 undergraduate students using Fonseca's anamnestic index. After data collection, it was entered and analyzed in SPSS version 25. Frequencies and percentages were calculated as descriptive analysis and Chi-Square test was used to explore the difference between the prevalence of TMD according to severity in terms of gender and age.

Results: 234 (57.6%) of the students didn’t have TMD while 172 (42.4%) reported TMD on the basis of questionnaire. Of the total 172 students who had TMD, 159 (92%) Mild TMD, 10 (6%) had Moderate TMD and only 3 (2%) had sever TMD.

Conclusion: In undergraduate students almost half of the population had TMD whereas mild form of TMD was observed in majority of the undergraduate students.

Keywords: Temporomandibular disorders, Fonseca's anamnestic index, undergraduate students, Severity of TMD