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The working conditions in which specialists of dental technology carry out their activity are factors conducive to a series of changes that affect the body. Thus, factors like prolonged static effort, length of work, work rhythm and ratio between dynamic and static effort lead to metabolic disorders and imbalances which may cause excess weight – one of the most frequent issues society today is struggling with, and which is harmful to the quality of life. This research was conducted on 30 subjects. Initial assessment of body mass index was made for students specializing as dental technologists within “Carol Davila” University of Medicine and Pharmacy of Bucharest and then, five years later after subjects started to work, they were assessed again, taking account of the physical activity performed and diet kept. The purpose of the study was to set out how effective physical exercise is in maintaining / improving the body mass index parameters and, therefore, the quality of life. Conclusions: This study points out to positive statistical association of regular and constant exercise with maintaining normal values of body mass index. Our proposition is to implement kinetoprophylaxis programs on dental laboratory technicians for preventing prolonged static effort’s outcomes, maximizing body functionality and improving the quality of life by stimulating subjects to adopt an active physical exercise regimen, as well as preventing overweight and obesity in these subjects.