This study investigated the psychological well-being and overall health of a group of Turkish dental students and their sources of stress. Two hundred and seventy-seven students (57 percent female) from Gazi University Dental Faculty completed the Dental Environment Stress (DES) questionnaire, the Psychological General Well-Being (PGWB) index, and the SF-36 Health Survey. The results showed that the DES scores increased over the five-year period. Pressure to perform, faculty and administration, workload, and students’ perceptions of their self-efficacy were the most stress-provoking factors. Students whose first choice was dentistry experienced less stress and fewer health problems (p