Targeting Biomechanical Endurance of Dental-Implant Abutments Using a Diamond-Like Carbon Coating

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Autor(es): dc.contributorUniversidade Estadual de Campinas (UNICAMP)-
Autor(es): dc.contributorUniversidade Federal de São Carlos (UFSCar)-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorSorocaba Technology College - Campus Sorocaba (Fatec Sorocaba)-
Autor(es): dc.creatorBorges, Guilherme Almeida-
Autor(es): dc.creatorCosta, Raphael Cavalcante-
Autor(es): dc.creatorNagay, Bruna Egumi-
Autor(es): dc.creatorSacramento, Catharina Marques-
Autor(es): dc.creatorRuiz, Karina Gonzales Silverio-
Autor(es): dc.creatorSolano de Almeida, Larissa-
Autor(es): dc.creatorRossino, Luciana Sgarbi-
Autor(es): dc.creatorFortulan, Carlos Alberto-
Autor(es): dc.creatorRangel, Elidiane Cipriano-
Autor(es): dc.creatorBarão, Valentim A. R.-
Autor(es): dc.creatorMesquita, Marcelo Ferraz-
Data de aceite: dc.date.accessioned2025-08-21T19:41:34Z-
Data de disponibilização: dc.date.available2025-08-21T19:41:34Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2023-12-17-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1021/acsabm.3c00802-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/308684-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/308684-
Descrição: dc.descriptionAbutment components (i.e., fixtures associated with oral implants) are essentially made of titanium (Ti), which is continuously exposed to the hash oral environment, resulting in scratching. Thus, such components need to be protected, and surface treatments are viable methods for overcoming long-term damage. Diamond-like carbon (DLC), an excellent protective material, is an alternative surface-treatment material for Ti abutments. Here, we demonstrate that a silicon interlayer for DLC film growth and the pulsed-direct current plasma-enhanced chemical vapor deposition (DC-PECVD) method enables the deposition of an enhanced protective DLC film. As a result, the DLC film demonstrated a smooth topography with a compact surface. Furthermore, the DLC film enhanced the mechanical (load-displacement, hardness, and elastic modulus) and tribological properties of Ti as well as increased its corrosion resistance (16-fold), which surpassed that of a bare Ti substrate. The biofilm formed (Streptococcus sanguinis) after 24 h exhibited an equal bacterial load (∼7 Log colony-forming units) for both the groups (Ti and DLC). In addition, the DLC film exhibited good cytocompatibility, owing to its noncytotoxicity toward human gingival fibroblast cells. Therefore, DLC deposition via DC-PECVD can be considered to be a promising protective and cytocompatible alternative for developing implant abutments with enhanced mechanical, tribological, and electrochemical properties.-
Descrição: dc.descriptionUniversity of Campinas (UNICAMP) Piracicaba Dental School Department of Prosthodontics and Periodontics, Avenida Limeira, 901-
Descrição: dc.descriptionFederal University of São Carlos (UFSCar) Campus Sorocaba Postgraduate Program in Materials Science Rodovia João Leme dos Santos, Km 110, Sorocaba-
Descrição: dc.descriptionUniversity of São Paulo (USP) Department of Mechanical Engineering, Trabalhador São Carlense 400-
Descrição: dc.descriptionSão Paulo State University (UNESP) Institute of Science and Technology Laboratory of Technological Plasmas, Avenida Três de Março, 51-
Descrição: dc.descriptionState Center of Technological Education “Paula Souza” (CEETEPS) Sorocaba Technology College - Campus Sorocaba (Fatec Sorocaba), Avenida Engenheiro Carlos Reinaldo Mendes, 2015, Sorocaba-
Descrição: dc.descriptionSão Paulo State University (UNESP) Institute of Science and Technology Laboratory of Technological Plasmas, Avenida Três de Março, 51-
Formato: dc.format5630-5643-
Idioma: dc.languageen-
Relação: dc.relationACS Applied Bio Materials-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectBiomaterials-
Palavras-chave: dc.subjectCorrosion-
Palavras-chave: dc.subjectDental implants-
Palavras-chave: dc.subjectDLC film-
Palavras-chave: dc.subjectTitanium-
Título: dc.titleTargeting Biomechanical Endurance of Dental-Implant Abutments Using a Diamond-Like Carbon Coating-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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