지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.1
- 수록면
- 211 - 217 (7page)
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Purpose: The purpose of this study is to evaluate the repeated measurement stability of scans related to dentition type. Methods: A normal model and the crowding and diastema models are also duplicated using duplicating silicon. After that, a plaster model is made using a plaster-type plaster on the duplicate mold, and each model is scanned 5 times by using an extraoral scanner. The gingival part and molar part were deleted from the 3D STL file data obtained through scanning. Using the 3D stl file obtained in this way, data is nested between model groups. Thereafter, RMS values obtained were compared and evaluated. The normality test of the data was performed for the statistical application of repeated measurements with dentition type, and the normality was satisfied. Therefore, the one-way ANOVA test, which is a parametric statistical method, was applied, and post-tests were processed by the Scheffe method. Results: The average size of each RMS in the Normal, Diastema, and Crowding groups was Normal> Crowding> Diastema. However, the standard deviation was in the order of Crowding> Normal> Diastema. The average value of each data is as follows. Diastema model was the smallest ($5.51{\pm}0.55{\mu}m$), followed by the crowding model ($12.30{\pm}2.50{\mu}m$). The normal model showed the maximum error ($13.23{\pm}1.06{\mu}m$). Conclusion: There was a statistically significant difference in the repeatability of the scanning measurements according to the dentition type. Therefore, you should be more careful when scanning the normal intense or crowded dentition than scanning the interdental lining. However, this error value was within the range of applicable errors for all clinical cases.
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참고문헌 (20)
참고문헌 신청
Bernabé E / 2006 / Orthodontic treatment need in Peruvian young adults evaluated through dental aesthetic index / AO 76(3):417~421
Bohner LOL / 2017 / Computer-aided analysis of digital dental impressions obtained from intraoral and extraoral scanners / J Prosthet Dent 118(5):617~623
Brosky ME / 2002 / Laser digitization of casts to determine the effect of tray selection and cast formation technique on accuracy / J Prosthet Dent 87(2):204~209
De Villaumbrosia PG / 2016 / In vitro comparison of the accuracy (trueness and precision) of six extraoral dental scanners with different scanning technologies / J Prosthet Dent 116(4):543~550.e1
Ender A / 2016 / In vivo precision of conventional and digital methods of obtaining complete-arch dental impressions / J Prosthet Dent 115(3):313~320
Bohner LOL / 2017 / Computer-aided analysis of digital dental impressions obtained from intraoral and extraoral scanners / J Prosthet Dent 118(5):617~623
Brosky ME / 2002 / Laser digitization of casts to determine the effect of tray selection and cast formation technique on accuracy / J Prosthet Dent 87(2):204~209
De Villaumbrosia PG / 2016 / In vitro comparison of the accuracy (trueness and precision) of six extraoral dental scanners with different scanning technologies / J Prosthet Dent 116(4):543~550.e1
Ender A / 2016 / In vivo precision of conventional and digital methods of obtaining complete-arch dental impressions / J Prosthet Dent 115(3):313~320
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