現今台灣之人工植牙手術大多依靠醫師之個人經驗來進行術前規劃及植牙手術，醫師僅能依據自身經驗結合牙科斷層掃描資料及石膏模來確認人工牙根的位置、角度及植入深度，其中斷層掃描資料為使用醫學專用設備掃描病患之牙齒所得到的牙齦內部齒槽骨影像資料，而石膏模是由病患之牙齒及牙齦所翻製出來的實物。為了增加植牙手術的精準度及節省術前規劃的時間，本論文嘗試使用工程專用設備掃描石膏模實物，得到齒模外型之電腦資料，然後在3D CAD軟體中，將電腦斷層及齒模外型兩筆電腦資料結合，並參考舒麗爾牙醫診所的植牙臨床經驗，以數位化的三指標定位尺在適當的2D斷面上來決定人工牙根的位置、角度及植入深度，並據以設計出植牙手術導引板之3D CAD模型，以利後續進行導引板之製作。
本論文所開發的數位化植牙手術規劃方法能幫助新進醫師同時掌握牙齒外型及齒槽骨內部的電腦資訊，以快速、安全及方便的規劃出人工牙根的位置。

Current methods of implant surgery in Taiwan mostly rely on the personal experience of physicians for preoperative planning and surgery. Physicians must depend on their own experience to determine the location, orientation and depth of an implant by combining cone beam computed tomography with plaster models. During this process tomography data is generated by medical equipment used to scan the patients’ internal alveolar bone of the gingival. Additionally, a plaster model is made of the patients’ teeth and gingival.
The purpose of this thesis is to enhance the accuracy of implant surgery and reduce the preparation time. In this thesis, we tried to scan the plaster model by laser scanner, producing a three-dimensional model of the plaster mold. We then combined the cone beam computed tomography with a model of teeth using 3D CAD software. According to a doctor from Soreal Dental Clinic with extensive clinical experience, our system determines the implant’s location, orientation and depth by digital locator in an appropriate two-dimensional section. Finally, we designed a 3D CAD model of the implant surgery guide in order to provide a reference for manufacturing.
The method of digital implant surgery developed in this thesis can aid junior doctors to comprehend the shape of the teeth and the interior of alveolar bone simultaneously, and safely determine the right location of the implant.

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