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The aim of this study was to clarify the effects and problems of the program of experimental practice of carbon-dioxide laser for fourth grade dental students. We have been adding laser irradiation practice to the current practice of opera tive dentistry for fourth-year students since 2005. The students were divided into nine groups and asked to fill out a pre-prac tice questionnaire. Each group then received basic lectures on the principle of the carbon dioxide laser, and were shown how to handle the laser instruments prior to the laser irradiation practice. Each student irradiated the carbon dioxide laser to white meat, and then completed a post-practice questionnaire. Comparison of the results of the pre-practice and post-practicae questionnaires showed the following: Regardless of the knowledge of biological mechanism or healing of laser irradiation, al most all students took some interest in the laser, but the lecture and laser irradiation practice apparently stimulated students'curiosity and gave them an incentive to study the laser mechanism of the carbon-dioxide laser. These results suggest that laser practice carried out before clinical practice stimulated their motivation and was educationally effective.
日本レーザー歯学会の論文