Purpose: To investigate the effect of digital scanning combined with reverse engineering technology in the demonstration of full-crown tooth preparation. Materials and Methods: A total of 31 students were randomly divided into two groups. The students in the control group conducted traditional demonstration using eye-measurement methods. The students in the experimental group carried out improved demonstration using digital intraoral scans with 3D-measurement data. The students in both groups were provided with two resin teeth to conduct full-crown tooth preparation on head model dental simulators. The teeth prepared before and after demonstration were scored according to Chinese Stomatological Association Group Standards with a total score of 100 points. Analysis of covariance (ANCOVA) was performed to comparatively analyze the scores related to the tooth surfaces and the convergence angle between the two groups. Results: Analysis of two prepared teeth (a maxillary right central incisor and first molar) in two groups showed that there was a statistically significant difference in the mean score between the control group and experimental group (central incisor, P = .0039; first molar, P = .0120). The demonstration of the first molar showed that there were statistically significant differences in the scores related to the buccolingual surface (P = .0205) and proximal surface (P = .0023) between the control group and experimental group. There was a statistically significant difference in the score related to the convergence angle of the buccolingual surface between the control group and experimental group (P = .0265). Conclusions: The digital method can effectively improve the quality of tooth preparations and has a pedagogic advantage for posterior teeth, which present greater operational challenges. IntJ Prosthodont2025;38:257-263. doi: 10.11607/ijp.8968
Currently, the application rate of virtual reality technology in the fields of medical education and medical treatment is relatively low. In this study, based on the structure of the human stomach, virtual reality technology, sensing technology, big data technology, and cloud computing technology were integrated. A new form of medical education was established to include the online website platform for data storage and analysis and the offline VR glasses for the physical operation. Through the use of 3d Max technology, Unity3D technology, and C# language, we constructed a three-dimensional model of the human stomach to present the stomach in three dimensions. This enables the users to immerse in it to achieve true human-computer interactive learning. This study updates the concept of medical education, effectively improves the quality and efficiency of medical education, and facilitates the development of surgical programs and reduction in the risk of surgery, as well as provides experimental materials for scientific research. In the future, it can be further developed to include the three-dimensional structures of the circulatory system and other major systems in the human body.
Objective To study the value of"database of introspection and feedback for difficult cases"in process management of residents in the department of ultrasound.Methods Twenty-five residents trained in the department of ultrasound from September 2018 to August 2019 were enrolled to the study group,and 27 residents trained from September 2017 to August 2018 were placed to the control group.The study group recorded the difficult or misdiagnosed cases as well as their introspection and feedback,and the teachers organized group case teaching every week to make up the deficiency of their students according to the feedback database.The database was also one of the references of the teaching committee for the modifying of teaching rounds.SPSS 17.0 was used for t test.Results The annual clinical thinking tests showed that the average scores of grade 1 and 2 of the study group were significantly higher than those of the control group with the same seniority[(88.0±2.0)vs.(85.2±2.1),(86.9±2.3)vs.(84.3±2.6)].The questionnaires showed that the residents'initiative and pertinence in learning and the teachers'understanding of the learning situation of their students were increased.Conclusions"Database of introspection and feedback for difficult cases"is an effective method in the process management,and could improve the training quality of residents in the department of ultrasound.
At present,there is still a big gap between China and developed countries in the field of high-end medical devices,and the ability of independent innovation needs to be improved.In order to comprehensively cultivate innovative talents in the field of medical devices and promote the development of the field of medical devices,the biomedical engineering major of Chongqing Medical University has put forward a"Trinity"innovative talent training system in the field of medical devices,including the teaching of theoretical knowledge,the improvement of practical skills and the guarantee of the innovation system,and established a four stage curriculum system framework of"Perception-Understanding-Enlightenment-Challenge"to form a characteristic course with ultrasonic treatment equipment as the main line.After three years of practice,the results of this training mode show that the innovative ability,professional connotation construction quality and employment postgraduate entrance examination rate of our college students have been steadily improved.The exploration of this talent training mode has reference significance for the cultivation of innovative talents in the field of medical devices in higher medical colleges and universities in China.
As excellent demonstration courses with distinctive teaching characteristics and the first-class teaching level,quality courses can improve the quality and effects of standardized training.Based on years of experience in teaching and training and focusing on the problems in standardized training,we have established a series of quality courses,including targeted short video lessons for systematic and comprehensive learning and module-based training,flipped classroom teaching based on case analysis,and real-time remote teaching and online teaching under the background of"Internet Plus".These courses aim at strengthening students'theoretical basis and practical ability and building their clinical thinking,so as to improve teaching effects and training quality.
