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The Effect of a CAD/CAM-Guided Template on Formation of the Screw-Access Channel for Fixed Prostheses Supported by Lingually Placed Implants

Authors
 Du-Hyeong Lee  ;  Lin-Jie Li  ;  Hang Nga Mai  ;  Kyung-Rok Kim  ;  Keun-Woo Lee 
Citation
 INTERNATIONAL JOURNAL OF PROSTHODONTICS, Vol.30(2) : 113-115, 2017 
Journal Title
 INTERNATIONAL JOURNAL OF PROSTHODONTICS 
ISSN
 0893-2174 
Issue Date
2017
MeSH
Bone Screws* ; Computer-Aided Design* ; Dental Impression Technique ; Dental Prosthesis Design* ; Dental Prosthesis, Implant-Supported* ; Denture Precision Attachment* ; Denture, Partial, Fixed* ; Humans ; X-Ray Microtomography
Abstract
PURPOSE: The aim of this study was to evaluate the effect of a computer-aided design/computer-assisted manufacturing (CAD/CAM) guide on drilling the screw-access channel for lingually placed implants. MATERIALS AND METHODS: Screw-channel drilling guides were fabricated on lingually placed implant models using CAD/CAM technology. The screw channels were prepared with guided or freehand drilling by 20 dental graduates. The accuracy of each screw channel was assessed for drilling entry point, channel volume, and angulation (α = .05). RESULTS: The guided drilling group showed smaller deviations than the freehand drilling group, and prosthesis position influenced the guide effect (P < .001). CONCLUSION: The CAD/CAM guide facilitated the screw channel preparation of cement-retained prostheses supported by lingually placed implants.
Full Text
http://www.quintpub.com/journals/ijp/abstract.php?article_id=17119#.WW28bITyiUl
DOI
10.11607/ijp.4979.
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Prosthodontics (보철과학교실) > 1. Journal Papers
Yonsei Authors
Lee, Keun Woo(이근우) ORCID logo https://orcid.org/0000-0002-3153-190X
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/154246
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