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With the advancements in the dental health care industry, the demand for dental technicians has increased. Dental technicians should be thoroughly assessed and trained in practical skills and pass professional certification examinations to ensure that they are competent to work closely with dentists. Unfortunately, such training courses and tests are in short supply worldwide. The use of virtual simulation technology can help solve these problems. This study presents a new strategic framework design for a certified dental technician practical examination called as the certified Objective Manipulative Skill Examination of Dental Technicians (OMEDT), which is based on the Objective Structured Clinical Examination (OSCE). We present the development and validation of the OMEDT system, a new virtual simulated training system, to meet the demands of the OMEDT framework. The combination of OMEDT and the OMEDT system can solve the complex problems encountered in the certified dental technician practical examination with excellent efficiency, high quality, and low cost. The OMEDT framework design was constructed according to the OSCE guide and the Chinese vocational skill standards for dental technicians. To develop the OMEDT system, we organized a new framework based on the virtual learning network platform, the haptic feedback system, and the real-time dental training and evaluation system. The effectiveness evaluation of the OMEDT system was divided into 2 phases: in the first phase, 36 students were recruited to use the test module to finish the task and their performance data were collected and analyzed; and in the second phase, a questionnaire was administered to 30 students who used the system for their studies and graduation exams. The OMEDT and the corresponding skill training virtual simulation OMEDT system were developed, and preliminary user evaluation was performed to assess their effectiveness and usefulness. The OMEDT system was found to improve students' practical skills by training with the evaluation results. In addition, several key research topics were explored, including the effects of positive feedback of the knowledge of results on the improvement of the students' skill level and the common sense transformation of educators in the virtual simulation technology environment. The development of OMEDT and the OMEDT system has been completed and their effectiveness has been verified. ©Mengwei Pang, Xiaohan Zhao, Daiyu Lu, Yihan Dong, Lin Jiang, Jie Li, Ping Ji. Originally published in JMIR Serious Games (, 12.09.2022.


Mengwei Pang, Xiaohan Zhao, Daiyu Lu, Yihan Dong, Lin Jiang, Jie Li, Ping Ji. Preliminary User Evaluation of a New Dental Technology Virtual Simulation System: Development and Validation Study. JMIR serious games. 2022 Sep 12;10(3):e36079

PMID: 36094803

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