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논문 기본 정보

자료유형
학술저널
저자정보
Leonardo Ciocca (Department of Biomedical and Neuromotor Science Alma Mater Studiorum University of Bologna Bologna Italy) Mattia Maltauro (Department of Management and Engineering University of Padova Vicenza Italy) Valerio Cimini (Department of Biomedical and Neuromotor Science Alma Mater Studiorum University of Bologna Bologna Italy) Lorenzo Breschi (Department of Biomedical and Neuromotor Science Alma Mater Studiorum University of Bologna Bologna Italy) Angela Montanari (Department of Statistical Sciences Alma Mater Studiorum University of Bologna Bologna Italy) Laura Anderlucci (Department of Statistical Sciences Alma Mater Studiorum University of Bologna Bologna Italy) Roberto Meneghello (Department of Management and Engineering University of Padova Vicenza Italy)
저널정보
대한치과보철학회 The Journal of Advanced of Prosthodontics The Journal of Advanced of Prosthodontics 제15권 제1호
발행연도
2023.2
수록면
22 - 32 (11page)
DOI
https://doi.org/10.4047/jap.2023.15.1.22

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Purpose. Digital technology has enabled improvements in the fitting accuracy of denture bases via milling techniques. The aim of this study was to evaluate the trueness and precision of digital and analog techniques for manufacturing complete dentures (CDs). MATERIALS AND METHODS. Sixty identical CDs were manufactured using different production protocols. Digital and analog technologies were compared using the reference geometric approach, and the Δ-error values of eight areas of interest (AOI) were calculated. For each AOI, a precise number of measurement points was selected according to sensitivity analyses to compare the Δ-error of trueness and precision between the original model and manufactured prosthesis. Three types of statistical analysis were performed: to calculate the intergroup cumulative difference among the three protocols, the intergroup among the AOIs, and the intragroup difference among AOIs. Results. There was a statistically significant difference between the dentures made using the oversize process and injection molding process (P < .001), but no significant difference between the other two manufacturing methods (P = .1227). There was also a statistically significant difference between the dentures made using the monolithic process and the other two processes for all AOIs (P = .0061), but there was no significant difference between the other two processes (P = 1). Within each group, significant differences among the AOIs were observed. Conclusion. The monolithic process yielded better results, in terms of accuracy (trueness and precision), than the other groups, although all three processes led to dentures with Δ-error values well within the clinical tolerance limit.

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