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KMID : 0896020100400040171
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Korean Journal of Oral and Maxillofacial Radiology
2010 Volume.40 No. 4 p.171 ~ p.178
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Surgical stent for dental implant using cone beam CT images
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Choi Hyung-Soo
Kim Gyu-Tae
Choi Yong-Suk
Hwang Eui-Hwan
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Abstract
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Purpose : The purpose of this study is to develop a surgical stent for dental implant procedure that can be easily applied and affordable by using cone beam computerized tomography (CBCT).
Materials and Methods : Aluminum, Teflon-PFA (perfluoroalkoxy), and acetal (polyoxymethylene plastic) were selected as materials for the surgical stent. Among these three materials, the appropriate material was chosen using the CBCT images. The surgical stent, which could be easily placed into an oral cavity, was designed with chosen material. CBCT images of the new surgical stent on mandible were obtained using Alphard-3030 dental CT system (Asahi Roentgen Co., Ltd., Kyoto, Japan). The point of insertion was prescribed on the surgical stent with the multiplanar
reconstruction software of OnDemand3D (CyberMed Inc., Seoul, Korea). Guide holes were made at the point of insertion on the surgical stent using newly designed guide jig. CBCT scans was taken for the second time
to verify the accuracy of the newly designed surgical stent.
Results : Teflon-PFA showed radiologically excellent image characteristics for the surgical stent. High accuracy and reproducibility of implantation were confirmed with the surgical stent.
Conclusion : The newly designed surgical stent can lead to the accurate implantation and achieve the clinically predictable result.
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KEYWORD
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Cone-Beam Computed Tomography, Dental Implants, Surgical Stent
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