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치과용 백색광 스캐너를 이용한 impression scanning의 반복 측정에 대한 안정성 평가Evaluation on the repeatability of dental white light scanner-based digital impression
- Other Titles
- Evaluation on the repeatability of dental white light scanner-based digital impression
- Issue Date
- 2013
- Publisher
- 대한치과기공학회
- Keywords
- dental white light scanner; repeatability of dental scanner; digital impression; CRM models; point clouds
- Citation
- 대한치과기공학회지, v.35, no.1, pp.37 - 42
- Indexed
- KCI
OTHER
- Journal Title
- 대한치과기공학회지
- Volume
- 35
- Number
- 1
- Start Page
- 37
- End Page
- 42
- ISSN
- 1229-3954
- Abstract
- Purpose: The purpose of this study was to evaluate the repeatability of dental white light scanner. Methods: The impression(Zerosil, Dreve, Germany) were digitized in white light scanner(Identica, Medit, Korea)to create 3-dimensional surface-models. The distribution of the discrepancies between the number of points in the corresponding CRM models and the point clouds in the others were measured by a matching-software(Power-Inspect 2012, Delcam Plc, UK). The discriptive statistics were used for statistical analysis(SPSS 20.0). Results: The measurement of repeatablity showed very good reliability. The mean(SD) discrepancy value on the white light scanner digital models was 8.7(0.67) , based on SD and absolute mean values. Conclusion: These in vitro studies showed that repeatability of dental white light scanner is high reliability. These results can be confirmed in further clinical studies.
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