RATIONALIZATION AND IMPROVING EFFICIENCY OF DENTAL CLINICAL EDUCATION USING SIMULATION SYSTEMS

近年来，口腔科学的发展日新月异，临床技术日趋先进和复杂。然而，在时间有限的情况下，对学生进行有效的临床技术教学是非常困难的。正因为如此，有必要开发一个基于模拟临床程序的合理培训系统。在本研究中，我们试图开发用于牙科实践的设备、模型和辅助设备，并将计算机引入牙科教育中进行评估和模拟。在修复性牙科和牙周病领域编制了计算机辅助培训手册，并对其有效性进行了评价。利用三维计算机图形学辅助牙周教育的视觉和动力学方法得到了改进。对虚拟腔体制备系统进行了改进。制作并完善了用于口腔模拟实践的人工颌、人工牙模型。尝试使用计算机图形对已制备的腔体进行自动评估。为引进牙科模拟系统，分析了操作员的位置。讨论了口腔模拟系统存在的问题。建立了操作员位置自动评估系统，并对其有效性进行了评价。由于牙科模拟系统是最近才开发出来的，它涉及到所有的牙科程序，在进行这项为期三年的研究过程中发现了新的问题。人们发现，不断研究开发更有效的设备和教学方法是非常必要的。

Recently, the progress of dental science is so remarkable and clinical technics have become increasingly advanced and complicated. However, effective instruction of these clinical technics among students in a time-constrained schedule is very difficult to achieve. Because of this, there is a need to develop a rational training system based on simulated clinical procedures.In this study, we attempted to develop devices, models and aids for dental practice, and to introduce computers into dental education for assessment and simulation.1. Computer aided training manuals were created in restorative dentistry and periodontics fields, and their effectiveness were evaluated.2. Visual and kinetic aids using three dimensional computer graphics for periodontal education were improved.3. A virtual cavity preparation system was improved.4. Artificial jaws and teeth models for dental simulation practice were produced and refined.5. Automatic assessments of prepared cavities were tried using computer graphics.6. Operator's position was analyzed for introduction of dental simulation systems.7. Problems of dental simulation systems were discussed.8. Automatic assessment system of operator's position for feedback to the trainees was created, and it's effectiveness was evaluated.Since the dental simulation system was developed only recently, and it relates to all dental procedures, new problems were noted during the conduct of this three-year study. It has been found that continuous study to develop more efficient devices and teaching methods is exceedingly necessary.