디지털 셋업 모형에서 제작된 jig를 이용한 두 가지 브라켓 간접 접착 방법의 정확성 비교
Comparison of accuracy of two indirect bonding methods using a jig fabricated from digital setup model
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초록
Aim: To evaluate the accuracy of indirect bonding using a jig fabricated from the digital setup model. Materials and Methods: Total 120 bracket jigs for the maxillary teeth were fabricated using computer-aided design and manufacturing (CAD/CAM) from 10 maxillary digital setup models. Brackets were bonded using the jigs on five models (Group 1), and using the jigs and additional vacuum tray on five models (Group 2). The models were scanned again and superimposed with each initial digital models for evaluation of bonding accuracy. Results: Indirect bonding using CAD/CAM jigs showed the average bonding error of ± 0.1 mm at linear measurement and ± 2.0°at angular measurement except labio-lingual inclination (3.36°) at the premolar of Group 1. The bonding accuracy were not statistically different between both groups. Conclusions: CAD/CAM jigs can transfer the bracket to the desired position regardless of whether additional vacuum tray is used or not, and this indirect bonding system provides clinically acceptable accuracy.
Abstract
Aim: To evaluate the accuracy of indirect bonding using a jig fabricated from the digital setup model. Materials and Methods: Total 120 bracket jigs for the maxillary teeth were fabricated using computer-aided design and manufacturing (CAD/CAM) from 10 maxillary digital setup models. Brackets were bonded using the jigs on five models (Group 1), and using the jigs and additional vacuum tray on five models (Group 2). The models were scanned again and superimposed with each initial digital models for evaluation of bonding accuracy. Results: Indirect bonding using CAD/CAM jigs showed the average bonding error of ± 0.1 mm at linear measurement and ± 2.0°at angular measurement except labio-lingual inclination (3.36°) at the premolar of Group 1. The bonding accuracy were not statistically different between both groups. Conclusions: CAD/CAM jigs can transfer the bracket to the desired position regardless of whether additional vacuum tray is used or not, and this indirect bonding system provides clinically acceptable accuracy.
참고문헌 (25)
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