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中文摘要：
本文设计一种口腔内窥镜，以满足牙科医学应用。整个系统主要由成像系统、照明系统、图像显示及处理系统三个部分组成。系统具有显微放大的功能，并且亮度及色温可调。文中利用光学软件设计、优化了光学成像系统，给出了系统像差曲线，并构造了光学照明系统。论丈结尾使用口腔内窥镜对两种牙齿模型进行了测试实验，系统成像分辨力高于100lp／mm，图像清晰，可以观察到牙齿表面的细节。实验结果表明，系统能够满足牙科医学使用要求。
英文摘要：
An oral cavity endoscope was designed to meet the practical needs of dentistry. The whole system was composed of imaging system, illuminating system, image display and processing system. The system has the function of micro-amplification, and the brightness and color temperature is adjustable. In this paper, optics software was used to design and optimize the optics imaging system, and gave out the aberration curve. The illumination system was constructed. In the ending of the papers, the oral cavity endoscope was used to test two teeth model. The system resolution is higher than 100 lp/mm and the image is clear. The details of tooth surface can be observed. The experiment results show that the system could meet the requirements of dental medical application.
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