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Time efficiency and operator convenience of using a micro-screw in image registration for guided implant surgery
Journal article   Open access   Peer reviewed

Time efficiency and operator convenience of using a micro-screw in image registration for guided implant surgery

Hai Yen Mai and Du-Hyeong Lee
Taehan Chikwa Poch'ol Hakhoe chi, Vol.57(3), pp.219-224
07/2019
DOI: 10.4047/jkap.2019.57.3.219
url
https://doi.org/10.4047/jkap.2019.57.3.219View
Published (Version of record) Open Access

Abstract

Purpose The image registration of radiographic image and digital surface data is essential in the computer-guided implant guide system. The purpose of this study was to examine the effects of using micro-screw on the working time and convenience of operators in the process of image matching for guided implant surgery. Materials and methods A mandibular dental model was prepared in partial edentulism for Kennedy class I classification. Two micro-screws were placed on the each side of retromolar area. Radiographic and scan images were taken using computed-tomography and digital scanning. The images were superimposed by 12 operators in software in two different conditions: using remaining teeth image alone and using teeth and micro-screws images. Working time, operator convenience and satisfaction were obtained, and analyzed using the Mann-Whitney U test (α=.05). Results The working time was not statistically different between image registration conditions (P>.05); however, operator convenience and satisfaction were higher in the teeth and micro-screw assisted condition than in the teeth-alone assisted condition (P<.001). Conclusion The use of microscrew for the image registration has no effect in working time reduction, but improves operator convenience and satisfaction.

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