Dimensional accuracy of provisional complete crown made by the 3D printing method

Autores

  • Ellen Randoli Pereira Universidade Estadual Paulista “Júlio Mesquita Filho” - UNESP, Instituto de Ciência e Tecnologia, Departamento de Materiais Odontológicos e Prótese, Campus de São José dos Campos, SP, Brazil https://orcid.org/0000-0001-7926-0195
  • Luigi Giovanni Bernardo Sichi Universidade Estadual Paulista “Júlio Mesquita Filho” - UNESP, Instituto de Ciência e Tecnologia, Departamento de Materiais Odontológicos e Prótese, Campus de São José dos Campos, SP, Brazil https://orcid.org/0000-0001-6256-9364
  • Marcelle Simões Coelho Universidade Estadual Paulista “Júlio Mesquita Filho” - UNESP, Instituto de Ciência e Tecnologia, Departamento de Materiais Odontológicos e Prótese, Campus de São José dos Campos, SP, Brazil https://orcid.org/0000-0003-4509-4162
  • Gabriel Cirone Lopes UNESP https://orcid.org/0000-0002-3436-0851
  • Rodrigo Máximo de Araújo Universidade Estadual Paulista “Júlio Mesquita Filho” - UNESP, Instituto de Ciência e Tecnologia, Departamento de Materiais Odontológicos e Prótese, Campus de São José dos Campos, SP, Brazil https://orcid.org/0000-0002-9084-0585

DOI:

https://doi.org/10.4322/bds.2024.e4366

Resumo

Objective: This study evaluated the dimensional accuracy of provisional complete crowns printed with photopolymerizable resin using an LCD-type 3D printer through optical metrology, varying the printing angle and the number of complete crowns printed at once on a single-build platform. Material and Methods: The complete crowns were printed with temporary crown resin, A2 temporary (Wilcos do Brasil), divided into four groups with n=12: Group A - 3 complete crowns positioned at 150° on the x-axis; Group B - 4 complete crowns positioned at 150° on the x-axis; Group C - 3 complete crowns positioned at 180° on the x-axis; and Group D - 4 complete crowns positioned at 180° on the x-axis. Dimensional accuracy was assessed by overlaying images in the Gom Inspect measurement software, where the STL of each complete crown was aligned and compared to the master model. For statistical analysis, one-way ANOVA and Shapiro-Wilk tests were used. Results: No significant statistical difference was observed between the different angles, or the number of complete crowns printed at once. Conclusion: Based on dimensional accuracy, the printing of provisional complete crowns with an LCD-type 3D printer shows no significant statistical difference with either the 150 or 180-degree angle variations, and there is also no difference when printing 3 or 4 complete crowns at once.

KEYWORDS

CAD-CAM; Dental crowns; Dental prosthesis; Prosthodontics; 3D printing.

Downloads

Não há dados estatísticos.

Publicado

2024-09-30

Como Citar

1.
Pereira ER, Sichi LGB, Coelho MS, Lopes GC, Araújo RM de. Dimensional accuracy of provisional complete crown made by the 3D printing method. BDS [Internet]. 30º de setembro de 2024 [citado 7º de setembro de 2025];27(2). Disponível em: https://ojs.ict.unesp.br/index.php/cob/article/view/4366

Edição

Seção

Artigos de Pesquisa Clínica ou Laboratorial

Artigos mais lidos pelo mesmo(s) autor(es)