Imaging Science in Dentistry

Korean Academy of Oral and Maxillofacial Radiology (대한영상치의학회)
권호 표지

Surgical stent for dental implant using cone beam CT images

콘빔형 전산화단층영상을 이용한 치과임플란트 식립유도장치 개발

  • Choi, Hyung-Soo (Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyung Hee University) ;
  • Kim, Gyu-Tae (Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyung Hee University) ;
  • Choi, Yong-Suk (Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyung Hee University) ;
  • Hwang, Eui-Hwan (Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyung Hee University)
  • 최형수 (경희대학교 치의학전문대학원 구강악안면방사선학교실) ;
  • 김규태 (경희대학교 치의학전문대학원 구강악안면방사선학교실) ;
  • 최용석 (경희대학교 치의학전문대학원 구강악안면방사선학교실) ;
  • 황의환 (경희대학교 치의학전문대학원 구강악안면방사선학교실)
  • Received : 2010.10.20
  • Accepted : 2010.11.27
  • Published : 2010.12.31
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Abstract

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.

Keywords

References

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