| Texto completo | |
| Autor(es): |
Ferrairo, Brunna Mota
[1]
;
Piras, Fernanda Furtado
[2]
;
Lima, Feranda Ferruzzi
[3, 4]
;
Honorio, Heitor Marques
[5]
;
Hungaro Duarte, Marco Antonio
[6]
;
Sanches Borges, Ana Flavia
[6]
;
Rubo, Jose Henrique
[1]
Número total de Autores: 7
|
| Afiliação do(s) autor(es): | [1] Univ Sao Paulo, Bauru Sch Dent, Dept Prosthodont & Periodont, Alameda Doutor Octavio Pinheiro Brisolla 9-75, BR-17012901 Bauru, SP - Brazil
[2] Univ Marilia UNIMAR, Fac Dent, Dept Prosthodont & Periodontol, Ave Higino Muzi Filho 1001, BR-17525902 Marilia, SP - Brazil
[3] Univ Estadual Maringa, Dept Dent, Maringa, Parana - Brazil
[4] Inga Univ Ctr UNINGA, Sch Dent, Dept Restorat Dent & Prosthodont, Maringa, Parana - Brazil
[5] Univ Sao Paulo, Bauru Sch Dent, Dept Pediat Dent Orthodont & Publ Hlth, Alameda Doutor Octavio Pinheiro Brisolla 9-75, BR-17012901 Bauru, SP - Brazil
[6] Univ Sao Paulo, Bauru Sch Dent, Dept Operat Dent Endodont & Dent Mat, Alameda Doutor Octavio Pinheiro Brisolla 9-75, BR-17012901 Bauru, SP - Brazil
Número total de Afiliações: 6
|
| Tipo de documento: | Artigo Científico |
| Fonte: | CLINICAL ORAL INVESTIGATIONS; v. 25, n. 4 AUG 2020. |
| Citações Web of Science: | 0 |
| Resumo | |
Objectives To evaluate the marginal adaptation and internal space of crowns produced by 4 CAD/CAM systems using microcomputed tomography (mu CT) and replica technique (RT). Materials and methods Monolithic lithium disilicate crowns were milled (Ceramill, Cerec, EDG, and Zirkonzahn) (n= 10). The cement film obtained with low viscosity silicone was scanned by the mu CT system and captured by a stereomicroscope, according to RT. Two-way ANOVA followed by Tukey's test were used for statistical analysis (alpha= 0.05). A uniformity index (UI) was idealized to describe the distribution of crowns' internal space and submitted to the Kruskal-Wallis and Tukey's test (alpha= 0.05). The correlation between mu CT and RT was performed by Pearson's Correlation Coeficient (alpha = 0.05). Results Marginal adaptation and internal space were statistically significant different between the experimental groups for the mu CT and RT (p< 0.05). The medians of the 4 systems tested were within clinically acceptable range and the mean (+/- SD) highest marginal discrepancy was recorded in the Ceramill group at 133.0 +/- 71.5 mu m (mu CT) and 90.6 +/- 38.5 mu m (RT). For internal fit, the UI disclosed a better distribution of the internal space for the Zirkonzahn group (p< 0.001). There was a strong correlation between the methods (p= 0.01 andr= 0.69). (AU) | |
| Processo FAPESP: | 13/10021-5 - Confiabilidade, modos de falha e adaptação de coroas protéticas unitárias |
| Beneficiário: | José Henrique Rubo |
| Modalidade de apoio: | Auxílio à Pesquisa - Regular |