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Abstract Background Academic procrastination (AP), a common behavior among students, is influenced by factors such as fear of failure, task aversiveness, anxiety, and stress. Self-generated stress (SGS) refers to the subjective experience of tension that occurs in response to an existing situation. Individuals often overestimate the difficulty and attainability of a task, resulting in increased stress and extended stress duration. SGS can worsen mental and physical health problems, including bruxism. Therefore, this study investigates the possible underlying connections by examining the relationship between AP, SGS, and self-reported (SR) bruxism in medical and dental students. Methods The present cross-sectional study was undertaken among a sample of 379 students pursuing medical and dentistry degrees in Turkey. The questionnaire, including the Academic Procrastination Scale-Short Form, SR bruxism Scale, and SGS Scale, was administered to the students. According to the responses given to the SR bruxism Scale, 3 types of SR bruxism groups were created as sleep, awake, and compound. A comparative analysis was conducted on AP, SGS, and SR bruxism among medical and dental students. Furthermore, the associations among AP, SGS, and SR bruxism were assessed using the utilization of correlation tables and regression analysis. Results The prevalence of awake bruxism was higher among dental students (46.6%) compared to medical students (34.7%), suggesting a faculty-dependent trend. A significant positive correlation was observed between SGS and AP (r = 0.212, p