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
- 2021.5
- 수록면
- 334 - 340 (7page)
이용수
초록· 키워드
오류제보하기
Purpose: This study was conducted to evaluate the influence of contamination of the scan-mirror on the accuracy of obtained scan data by using two type of intra-oral scanner.
Materials & methods: After printing the Crown & inlay specimens according to the ISO standard, the data values of the specimens were calculated using a model scanner and two intra-oral scanners. Experimental groups were classified into three groups according to cleanliness of scan-mirror. Each group performed 10 repeated scans. Data analysis was performed with statistical software (SPSS 25, IBM Corp., Armonk, New York, USA) to check the normality of data sets and ANOVA & Bonferroni test was performed for multiple comparisons between groups.
Results: The d1(top diameter of cylinder), d2(bottom diameter of cylinder), h(cylinder height) values of the crown specimens and d1(top diameter of cavity), d2(bottom diameter of cavity), h(cavity height) of the inlay specimens compared with the reference data using two intra-oral scanners were similar for each group.
Discussion: In the scanning process, it was observed on the screen that a data value that deviated from the normal range was inputted in the group with higher level of contamination, but they were removed through the software’s own filtering and post-processing, and it was found that there was no significant effect on the result values.
Conclusion: Under the conditions of this study, as the degree of contamination of the scan-mirror surface increased, an inaccurate capture screen appeared, but it did not significantly affect the accuracy and precision of the scan data.
Materials & methods: After printing the Crown & inlay specimens according to the ISO standard, the data values of the specimens were calculated using a model scanner and two intra-oral scanners. Experimental groups were classified into three groups according to cleanliness of scan-mirror. Each group performed 10 repeated scans. Data analysis was performed with statistical software (SPSS 25, IBM Corp., Armonk, New York, USA) to check the normality of data sets and ANOVA & Bonferroni test was performed for multiple comparisons between groups.
Results: The d1(top diameter of cylinder), d2(bottom diameter of cylinder), h(cylinder height) values of the crown specimens and d1(top diameter of cavity), d2(bottom diameter of cavity), h(cavity height) of the inlay specimens compared with the reference data using two intra-oral scanners were similar for each group.
Discussion: In the scanning process, it was observed on the screen that a data value that deviated from the normal range was inputted in the group with higher level of contamination, but they were removed through the software’s own filtering and post-processing, and it was found that there was no significant effect on the result values.
Conclusion: Under the conditions of this study, as the degree of contamination of the scan-mirror surface increased, an inaccurate capture screen appeared, but it did not significantly affect the accuracy and precision of the scan data.
목차
ABSTRACT
서론
재료 및 방법
결과
고찰
결론
참고문헌
참고문헌 (13)
참고문헌 신청
Revilla-León M / 2020 / Clinical Study of the Influence of Ambient Light Scanning Conditions on the Accuracy(Trueness and Precision)of an Intraoral Scanner / J Prosthet Dent 29(2):107~106
Wong KY / 2018 / Three-Dimensional Accuracy of Digital Static Interocclusal Registration by Three Intraoral Scanner Systems / J Prosthet Dent 27(2):120~119
Lim J-H / 2018 / Comparison of digital intraoral scanner reproducibility and image trueness considering repetitive experience / J Prosthet Dent 119(2):225~232
Chiu A / 2020 / Accuracy of CAD/CAM digital impressions with different intraoral scanner parameters / Sensors (Switzerland) 20(4)
Mennito AS / 2018 / Evaluation of the effect scan pattern has on the trueness and precision of six intraoral digital impression systems / J Esthet Restor Dent 30(2):113~112
Wong KY / 2018 / Three-Dimensional Accuracy of Digital Static Interocclusal Registration by Three Intraoral Scanner Systems / J Prosthet Dent 27(2):120~119
Lim J-H / 2018 / Comparison of digital intraoral scanner reproducibility and image trueness considering repetitive experience / J Prosthet Dent 119(2):225~232
Chiu A / 2020 / Accuracy of CAD/CAM digital impressions with different intraoral scanner parameters / Sensors (Switzerland) 20(4)
Mennito AS / 2018 / Evaluation of the effect scan pattern has on the trueness and precision of six intraoral digital impression systems / J Esthet Restor Dent 30(2):113~112
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