The Journal of prosthetic dentistry · 2026
Impact of light-polymerizing glaze on the surface, optical, mechanical, and biological properties of CAD-CAM denture base resins: A systematic review with meta-analysis.
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de França Luana Bárbara Rodrigues, de Andrade Juliana Oliveira, Veríssimo Matheus Harllen Gonçalves, Gonçalves Luiz Felipe Fernandes, Custódio William, Dantas André Ulisses Batista, Trikoili Eleni, Pereira Ana Larisse Carneiro
Аннотация
STATEMENT OF PROBLEM: A light-polymerizing glaze has been proposed to improve the esthetic performance of computer-aided design and computer-aided manufacture (CAD-CAM) denture base resins; however, its effects on surface, optical, mechanical, and biological properties remain unclear.
PURPOSE: The purpose of this in vitro study was to evaluate the effects of light-polymerizing glaze application on the surface, optical, mechanical, and biological properties of milled and 3-dimensionally (3D) printed CAD-CAM denture base resins.
MATERIAL AND METHODS: This systematic review followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines (Supplemental Material 1, available online) and was registered in the Open Science Framework (10.17605/OSF.IO/8T3WS). A search was conducted in the PubMed/MEDLINE, Cochrane Library, Scopus, Web of Science, and Embase databases, as well as in the nonpeer-reviewed literature databases ProQuest and OpenGrey, for studies published up to February 2026. In vitro studies evaluating the surface, optical, mechanical, and biological properties of CAD-CAM denture base resins finished with light-polymerizing glaze compared with mechanically polished heat-polymerized resins were included. Risk of bias was assessed using the MINORS instrument, and meta-analysis was performed using the RevMan 5.4 software program.
RESULTS: Seven studies were included in the systematic review and 3 in the meta-analysis. Light-polymerizing glaze reduced discoloration, increased brightness, and showed potential to reduce Candida albicans biofilm formation, whereas flexural strength varied according to resin type and finishing method. In the meta-analysis, conventional laboratory polishing was associated with lower surface roughness in 3D printed resins, including after thermocycling (P≤.04), whereas light-polymerizing glaze showed lower surface roughness in milled resins (P=.04). No significant differences in surface hardness were observed between finishing methods (P>.05).
CONCLUSIONS: Light-polymerizing glaze improved optical properties and may reduce Candida albicans biofilm formation, while mechanical properties were material-dependent.
PURPOSE: The purpose of this in vitro study was to evaluate the effects of light-polymerizing glaze application on the surface, optical, mechanical, and biological properties of milled and 3-dimensionally (3D) printed CAD-CAM denture base resins.
MATERIAL AND METHODS: This systematic review followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines (Supplemental Material 1, available online) and was registered in the Open Science Framework (10.17605/OSF.IO/8T3WS). A search was conducted in the PubMed/MEDLINE, Cochrane Library, Scopus, Web of Science, and Embase databases, as well as in the nonpeer-reviewed literature databases ProQuest and OpenGrey, for studies published up to February 2026. In vitro studies evaluating the surface, optical, mechanical, and biological properties of CAD-CAM denture base resins finished with light-polymerizing glaze compared with mechanically polished heat-polymerized resins were included. Risk of bias was assessed using the MINORS instrument, and meta-analysis was performed using the RevMan 5.4 software program.
RESULTS: Seven studies were included in the systematic review and 3 in the meta-analysis. Light-polymerizing glaze reduced discoloration, increased brightness, and showed potential to reduce Candida albicans biofilm formation, whereas flexural strength varied according to resin type and finishing method. In the meta-analysis, conventional laboratory polishing was associated with lower surface roughness in 3D printed resins, including after thermocycling (P≤.04), whereas light-polymerizing glaze showed lower surface roughness in milled resins (P=.04). No significant differences in surface hardness were observed between finishing methods (P>.05).
CONCLUSIONS: Light-polymerizing glaze improved optical properties and may reduce Candida albicans biofilm formation, while mechanical properties were material-dependent.