3D-printed denture base resins: Glazing as an alternative to improve surface, mechanical, and microbiological properties

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Autor(es): dc.contributorFederal University of Rio Grande do Norte (UFRN)-
Autor(es): dc.contributorUniversidade Estadual de Campinas (UNICAMP)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorCarneiro Pereira, Ana Larisse-
Autor(es): dc.creatordos Santos Silva, João Pedro-
Autor(es): dc.creatorGrangeiro, Manassés Tercio Vieira-
Autor(es): dc.creatorde Medeiros, Annie Karoline Bezerra-
Autor(es): dc.creatorBottino, Marcos Antonio-
Autor(es): dc.creatorBarão, Valentim A. R.-
Autor(es): dc.creatorda Fonte Porto Carreiro, Adriana-
Data de aceite: dc.date.accessioned2025-08-21T21:12:41Z-
Data de disponibilização: dc.date.available2025-08-21T21:12:41Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2023-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1111/jopr.14001-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/308673-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/308673-
Descrição: dc.descriptionPurpose: To evaluate the impact of glazing denture base resins (heat-polymerized and 3D-printed) on surface, mechanical, and microbiological properties. Materials and Methods: Discs (10 × 3 mm) and bars (64 × 10 × 3.3 ± 0.2 mm) were manufactured using heat-polymerized denture base resin (CT) and 3D-printed denture base resin (Yller [YL], Prizma [PZ] and PrintaX [PX]). These were divided into two groups: unglazed and glazed. Surface roughness (Ra), wettability (contact angle), brightness (GU), and topography (via scanning electron microscopy) were assessed, along with microbiological analysis of dual-species biofilms (Streptococcus mitis and Candida albicans) and Knoop microhardness on discs (n = 10). Flexural strength testing was conducted separately on bars (n = 20). Half of the specimens subjected to surface and mechanical characterizations were thermocycled (10,000 cycles). Mann–Whitney test (p < 0.05) and simple and multiple linear regression analysis (p < 0.20) were employed to evaluate the impact of glazing on denture base resins. Results: The application of glaze reduced roughness by 0.33 µm and water contact angle by 8.47º, while increasing brightness by 21.30 units (p < 0.001) for 3D-printed resins compared to CT. After thermal cycling, roughness and wettability increased, while brightness decreased (p < 0.05). The glaze also increased hardness, with no adverse effects from thermal cycling (p < 0.001), and enhanced flexural strength for PZ compared to CT (p < 0.001). Additionally, C. albicans colonization decreased by 7.79 log CFU/mL in mixed biofilms for 3D-printed resins compared to CT (p < 0.05). Conclusions: The application of glaze resulted in smoother, brighter, and harder surfaces for the 3D-printed resins, while also reducing biofilm colonization.-
Descrição: dc.descriptionDepartment of Dentistry Federal University of Rio Grande do Norte (UFRN), Rio Grande do Norte-
Descrição: dc.descriptionDepartment of Prosthodontics and Periodontology Piracicaba Dental School Universidade Estadual de Campinas (UNICAMP), São Paulo-
Descrição: dc.descriptionDepartment of Dental Materials and Prosthodontics São Paulo State University (UNESP)-
Descrição: dc.descriptionDepartment of Biomaterials Dental Materials and Prosthodontics Institute of Science and Technology São Paulo State University (UNESP)-
Descrição: dc.descriptionDepartment of Dental Materials and Prosthodontics São Paulo State University (UNESP)-
Descrição: dc.descriptionDepartment of Biomaterials Dental Materials and Prosthodontics Institute of Science and Technology São Paulo State University (UNESP)-
Idioma: dc.languageen-
Relação: dc.relationJournal of Prosthodontics-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subject3D printing-
Palavras-chave: dc.subjectadditive manufacturing-
Palavras-chave: dc.subjectcomplete denture-
Palavras-chave: dc.subjectdigital denture-
Palavras-chave: dc.subjectglazing-
Título: dc.title3D-printed denture base resins: Glazing as an alternative to improve surface, mechanical, and microbiological properties-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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