Questionnaire
Otherstudents were involved in the pre-clinical prosthodontic lab. Participation in these labs were mandatory and it involved crown and bridge preparations on typodont models. There were 2 sessions of these labs per week, one for each gender. Each session lasted for 3 hours.
The study was conducted in 2 phases. At the beginning of the first phase of the study, the labs were conducted without any BM for 4 weeks. PSS(perceived stress scale), a standardized and validated, self-reporting international test was used for measuring the level of psychological stress were administered to all participants.