구강 내 스캐닝 방법에 의해 제작된 폴리우레탄 모형의 정확도 평가
Evaluation of validity of polyurethane model fabricated by intra-oral scanning method
김원태, 이병기, 현종구, 김기백,
소속 상세정보
김원태 ( Kim Won-Tae ) - 대전보건대학교 치기공과
이병기 ( Lee Byung-Ki ) - 대전보건대학교 치기공과
현종구 ( Hyun Joung-Ku ) - 대전보건대학교 치기공과
김기백 ( Kim Ki-Baek ) - 대전보건대학교 치기공과
KMID : 0362120140360020091
Abstract
Purpose: The purpose of this study was evaluate the validity of polyurethane model fabricated by intra oral scanning method.
Methods: Ten sam cases of stone models were manufactured from master model, and polyurethane models were made with the intra oral scanning and CNC milling method. One examiner individually measured 6 distances(intercanine distance, intermolar distance, two dental arch lengths(right, left) and two diagonal of dental arch lengths(right, left) on the stone models and the polyurethane models. The Mann-Whitney U test(α=0.05) were used for statistical analysis.
Results: The mean difference between measurements made directly on the stone models and those made on the polyurethane models was 0.31-0.38mm. No statistically differences between the two groups were founded 4 distances(p>0.05), but 2 distances were statistically significant(p<0.05).
Conclusion: Stone models showed larger than polyurethane models fabricated by intra oral scanning method.
키워드
Dental CAD-CAM; Dental model; Digital dentistry; Intra oral scanning
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