지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학위논문
- 저자정보
- 지도교수
- 정재헌
- 발행연도
- 2016
- 저작권
- 조선대학교 논문은 저작권에 의해 보호받습니다.
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Purpose : The purpose of this study is to compare the accuracy of the CT guided implant template (implant template) that was produced by using an oral scanner according to the edentulous distance.
Materials and methods : Five acrylic resin mandibles with teeth #15, #16, #17, #25, #26, #27 as missing were made using radiopaque resin. The mandibles were then scanned with CBCT and oral scanner. Six implants were planned for the treatment of the edentulous site using a 3D software program. The implants were inserted on the cast according to the CAD/CAM-fabricated implant template (In2Guide, Cybermed, CA, USA) and then were rescanned with CBCT. Presurgical and postsurgical CBCT Scans were superimposed to compare the virtual implant placement with the actual implant placement. The virtually planned and actually placed implant positions were compared for the apex, platform, and angle. SPSS Ver.19.0. was used for Kruskall-Wallis test and Mann-Whitney test (P<.05).
Results : The mean angular deviation of the long axis of second premolar, first molar, second molar was 0.450±0.14°, 0.510±0.15° and 0.540±0.19°, respectively. The distance between the planned and placed implants was 0.230±0.06 mm, 0.270±0.09 mm, 0.480±0.12 mm at the platform and 0.390±0.06 mm, 0.430±0.06 mm, 0.640±0.07 mm at the apex, respectively.
Conclusion : There was no significant difference in the angular deviation of the long axis for each implant site. However, the distance between the planned and placed implants at the neck and apex showed less accuracy at the implant site of second molar.
Materials and methods : Five acrylic resin mandibles with teeth #15, #16, #17, #25, #26, #27 as missing were made using radiopaque resin. The mandibles were then scanned with CBCT and oral scanner. Six implants were planned for the treatment of the edentulous site using a 3D software program. The implants were inserted on the cast according to the CAD/CAM-fabricated implant template (In2Guide, Cybermed, CA, USA) and then were rescanned with CBCT. Presurgical and postsurgical CBCT Scans were superimposed to compare the virtual implant placement with the actual implant placement. The virtually planned and actually placed implant positions were compared for the apex, platform, and angle. SPSS Ver.19.0. was used for Kruskall-Wallis test and Mann-Whitney test (P<.05).
Results : The mean angular deviation of the long axis of second premolar, first molar, second molar was 0.450±0.14°, 0.510±0.15° and 0.540±0.19°, respectively. The distance between the planned and placed implants was 0.230±0.06 mm, 0.270±0.09 mm, 0.480±0.12 mm at the platform and 0.390±0.06 mm, 0.430±0.06 mm, 0.640±0.07 mm at the apex, respectively.
Conclusion : There was no significant difference in the angular deviation of the long axis for each implant site. However, the distance between the planned and placed implants at the neck and apex showed less accuracy at the implant site of second molar.
목차
Ⅰ. 서 론 1Ⅱ. 연구 재료 및 방법 3A. 연구 재료1. 임플란트 식립 모형 제작 및 임플란트 선택 3B. 연구 방법1. Implant surgical template 제작 42. 임플란트 식립 53. Implant surgical template의 정확도 비교 7C. 통계학적 분석 7Ⅲ. 연구 결과 9A. Variation of platform of implant 9B. Variation of apex of implant 10C. Variation of angulation of implant 11Ⅳ. 총괄 및 고찰 12Ⅴ. 결 론 15참고문헌 16
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