Clinical problems of computer-guided implant surgery
문성용, 이경록, 김수관, 손미경,
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문성용 ( Moon Seong-Yong ) - Chosun University School of Dentistry Department of Oral and Maxillofacial Surgery
이경록 ( Lee Kyoung-Rok ) - Chosun University Graduate School of Dentistry Department of Prosthodontics
김수관 ( Kim Su-Gwan ) - Chosun University School of Dentistry Department of Oral and Maxillofacial Surgery
손미경 ( Son Mee-Kyung ) - Chosun University School of Dentistry Department of Prosthodontics
Abstract
Background: The utilization of a cone-beam computed tomography (CT)-assisted surgical template allows for predictable results because implant placement plans can be performed in the actual surgery. In order to assess the accuracy of the CT-guided surgery, angular errors and shoulder/apex distance errors were evaluated by data fusion from before and after the placement.
Methods: Computer-guided implant surgery was performed in five patients with 19 implants. In order to analyze differences of the implant fixture body between preoperative planned implant and postoperative placed implant, angular error and distance errors were evaluated.
Results: The mean angular errors between the preoperative planned and postoperative placed implant was 3.84°?±?1.49°; the mean distance errors between the planned and placed implants were 0.45?±?0.48 mm horizontally and 0.63?±?0.51 mm vertically at the implant neck and 0.70?±?0.63 mm horizontally and 0.64?±?0.57 mm vertically at the implant apex for all 19 implants.
Conclusions: It is important to be able to utilize these methods in actual clinical settings by improving the various problems, including the considerations of patient mouth opening limitations, surgical guide preparation, and fixation.
키워드
Implant; CT-guided surgery; Computer-assisted surgery; Angular errors; Distance errors
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