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A Study on the Accuracy of Scan by the Standard Model Deformation Depending on the Hand Scanning Method

핸드스캐닝 작업 방법에 따라 표준 모델 변형이 작업 정밀도에 미치는 정밀스캔에 관한 연구

  • Shin, Seong-Hun (Daesung Industrial Co., Ltd.) ;
  • Jang, Seong-Ho (Department of Dental Science, Graduate School, Kyungpook National University) ;
  • Song, Joon-Ki (Department of Prosthodontics, Graduate School, Dankook University) ;
  • Park, Kwang-Sig (Dept. of Dental Technology, Daegu Health College) ;
  • Lee, Hee-Sung (Department of Dental Science, Graduate School, Kyungpook National University)
  • 신성훈 (대성산업(주) 기계사업부) ;
  • 장성호 (경북대학교 치의과학과) ;
  • 송준기 (단국대학교 치의학과) ;
  • 박광식 (대구보건대학교 치기공과) ;
  • 이희성 (경북대학교 치의과학과)
  • Received : 2018.12.18
  • Accepted : 2018.04.06
  • Published : 2018.04.30

Abstract

This study was conducted to evaluate the distortion and data accuracy that may occur depending on the methods employed by the oral scanner (intra-oral scanner). Deseutap 3D models employing a plaster model used clinically as a scanner to create a standard scan data using the same model, separated by oral scanners in three different ways (AS Group, ZS group, OS group) How to scan each 5 times made the scan data for each group, it shows the 0.121 mm, 0.172 mm AS group, OS group 0.423 mm accuracy in ZS group. The ZS group showed the highest accuracy, with maximum error values of 0.113 mm, 0.169 mm and 0.246 being observed for the ZS, AS and OS group, respectively. The three scanning methods showed a clear differences in accuracy and reproducibility and also appeared to be meaningful in clinical practice.

Keywords

Intra oral scanner;Scanning method;Standard model;CAD/CAM;Digtal data

Acknowledgement

Grant : ICT 기반의 의료용 3D프린팅 응용SW플랫폼 및 서비스 기술개발

Supported by : 정보통신기술진흥센터

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