Evaluation of Color Stability and Marginal Integrity in Provisional Restorations: A Study of Milling, 3D Printing, and Conventional Fabrication Methods

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Vydáno v:Dentistry Journal vol. 13, no. 5 (2025), p. 189
Hlavní autor: Galbraith, Austin
Další autoři: Doan Mai, Galbraith Tyson, Abubakr Neamat Hassan
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MDPI AG
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022 |a 2304-6767 
024 7 |a 10.3390/dj13050189  |2 doi 
035 |a 3211936872 
045 2 |b d20250101  |b d20251231 
084 |a 231449  |2 nlm 
100 1 |a Galbraith, Austin  |u School of Dental Medicine, University of Nevada, Las Vegas, NV 89557, USA; galbra4@unlv.nevada.edu (A.G.); doanm1@unlv.nevada.edu (M.D.); galbrt1@unlv.nevada.edu (T.G.) 
245 1 |a Evaluation of Color Stability and Marginal Integrity in Provisional Restorations: A Study of Milling, 3D Printing, and Conventional Fabrication Methods 
260 |b MDPI AG  |c 2025 
513 |a Journal Article 
520 3 |a Background: The quality of a provisional restoration, especially its color and marginal integrity, can play a critical role in its survival and overall patient satisfaction. This study aims to evaluate the color stability and marginal fit differences between provisional restorations fabricated by non-traditional methods compared to manual fabrication. Methods: A total of 80 extracted teeth were prepared for ceramic crowns and randomly divided into four groups: acrylic, 3D printing, computer-aided design/computer-aided manufacturing (CAD/CAM), and bis-acryl. The examined teeth were subjected to artificial aging using a thermocycling machine dwelling for 5000 cycles (simulating 6 clinical months). Color stability and marginal integrity were measured before and after thermal aging using a VITA Easyshade V spectrophotometer and 3D surface non-contact profilometer. ANOVA was used to determine whether the mean value difference was significantly different. Results: The 3D-printed and bis-acryl provisional crowns displayed the lowest change in marginal integrity, while the acrylic provisional crowns showed the greatest change in marginal integrity (p = 0.0001). Additionally, the acrylic provisional material revealed a significantly greater color change. Conclusions: The 3D-printed provisional crowns demonstrated the best marginal integrity and color stability. 
651 4 |a United States--US 
651 4 |a Germany 
653 |a Mechanical properties 
653 |a Aging (artificial) 
653 |a Prostheses 
653 |a Adaptation 
653 |a Three dimensional printing 
653 |a Variance analysis 
653 |a Fabrication 
653 |a Teeth 
653 |a Aging 
653 |a Evaluation 
653 |a Patient satisfaction 
653 |a Thermal cycling 
653 |a Color 
653 |a CAD/CAM 
653 |a Milling (machining) 
653 |a 3-D printers 
653 |a Polymethyl methacrylate 
653 |a Computer aided manufacturing--CAM 
653 |a Computer aided design--CAD 
653 |a Stability 
653 |a Dentistry 
653 |a Integrity 
700 1 |a Doan Mai  |u School of Dental Medicine, University of Nevada, Las Vegas, NV 89557, USA; galbra4@unlv.nevada.edu (A.G.); doanm1@unlv.nevada.edu (M.D.); galbrt1@unlv.nevada.edu (T.G.) 
700 1 |a Galbraith Tyson  |u School of Dental Medicine, University of Nevada, Las Vegas, NV 89557, USA; galbra4@unlv.nevada.edu (A.G.); doanm1@unlv.nevada.edu (M.D.); galbrt1@unlv.nevada.edu (T.G.) 
700 1 |a Abubakr Neamat Hassan  |u Department of Biomedical Sciences, School of Dental Medicine, University of Nevada, Las Vegas, NV 89557, USA 
773 0 |t Dentistry Journal  |g vol. 13, no. 5 (2025), p. 189 
786 0 |d ProQuest  |t Health & Medical Collection 
856 4 1 |3 Citation/Abstract  |u https://www.proquest.com/docview/3211936872/abstract/embedded/ZKJTFFSVAI7CB62C?source=fedsrch 
856 4 0 |3 Full Text + Graphics  |u https://www.proquest.com/docview/3211936872/fulltextwithgraphics/embedded/ZKJTFFSVAI7CB62C?source=fedsrch 
856 4 0 |3 Full Text - PDF  |u https://www.proquest.com/docview/3211936872/fulltextPDF/embedded/ZKJTFFSVAI7CB62C?source=fedsrch