The Relation of TMJ Disorders with Stress Level and Blood Groups among Dental Students in Baghdad, Iraq
Keywords:TMJ disorders, Stress level, Blood groups, Dental Student
Introduction: TMDs are a common group of disorders that affect approximately 60–70% of the general
population. The aim of current study is to find out the association between TMJ disorders with stress levels
and blood groups among dental students in Baghdad, Iraq.
Methods: A cross-sectional study was conducted among 60 dental students in Baghdad, Iraq using
convivence sampling method. Perceived stress scale questionnaires were used to measure stress level among
Results: The majority of respondents had a headache (55.0%), with pain (28.3%), clicking (45.0%) and
bruxism (31.7%). Regarding bad habits, only (23.3%) had bad habits. There was a significant association
between TMJ Pain, Bruxism and stress level with P value (0.016, 0.02) respectively. Also, there was a
significant association between bruxism and blood group type with P value (0.014).
Conclusion: There was a significant association between TMJ disorders (pain, bruxism) with stress level
and also between bruxism and blood group types. More education and promotion are needed regarding TMJ
disorders and how to deal with complications especially among young adults like university students.
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