Comparison of the Accuracy between Denture Bases Produced by Subtractive and Additive Manufacturing Methods: A Pilot Study

被引：15
|
作者：
Grande, Francesco [1 ,2 ]
Tesini, Fabio [1 ]
Pozzan, Mario Cesare [1 ]
Zamperoli, Edoardo Mochi [1 ]
Carossa, Massimo [2 ]
Catapano, Santo [1 ]
机构：
[1] Univ Ferrara, Dept Prosthodont, Via Luigi Borsari 46, I-44121 Ferrara, Italy
[2] Univ Turin, CIR Dent Sch, Dept Surg Sci, I-10126 Turin, Italy
来源：
PROSTHESIS | 2022年 / 4卷 / 02期
关键词：
denture design; CAD-CAM denture base; 3D printing; milled denture base; tissue-congruent denture fit; POLYMERIZATION SHRINKAGE; LITHIUM DISILICATE; INTERNAL FIT; IMPLANT; OUTCOMES;
D O I：
10.3390/prosthesis4020015
中图分类号：
TB3 [工程材料学]; R318.08 [生物材料学];
学科分类号：
0805 ; 080501 ; 080502 ;
摘要：
Today, two different types of CAD-CAM fabrication methods for complete denture bases are available besides the conventional protocols: a subtractive milling process from a prepolymerized block of polymethylmethacrylate and an additive manufacturing process that built the denture base using a light-cured liquid in a VAT-polymerization process. The aim of this study was to evaluate and to compare the accuracy and precision of denture prosthetic bases made with subtractive and additive manufacturing technologies and to compare them with a denture base with the conventional method in muffle. From the results obtained, 3D printing dentures show a statistically significant higher accuracy than milled prosthetic bases. Milled prosthetic bases have similar accuracy than conventional fabricated dentures.
引用
收藏
页码：151 / 159
页数：9
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