Purpose: to assess the prevalence of temporomandibular disorders among dental undergraduate Egyptian students and the association between the clinical features and radiographic findings. Material and Methods: 281 female dental undergraduate students were randomly selected to participate in the primary screening. In the study screening examination and final diagnosis were done according to a new modified Diagnostic Criteria for TMD (DC/TMD) Axis I which encompass (medical history, primary pain screening questionnaire, signs and symptoms questionnaire and examination protocol). The examination consisted of 11 criteria (pain location, headache location, incisal relationship ,opening pattern ,opening movement ,lateral and protrusive movements ,noises during opening movement ,noises during lateral and protrusive movements, TMJ locking, muscle palpation and TMJ, supplemental muscle pain and palpation, occlusion assessment was added to the criteria Results: the prevalence of TMD was 28.5% among female dental students, the most common reported symptom in a percentage of 89% was pain ,noises were reported in 59.3%f the subjects .The most common subtype of the TMD was muscular pain (mylagia and myofascial pain ) with percentge of 29.2%, 15.4% then arthylagia with 27.7% disc displacement was reported in 13,8 and degenerative reported in 1.5% Conclusions: TMDS is highly prevalent conditions in young population. There is an adequate association between the stress in the university years and the TMDS.