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In vitro analysis of the influence of surface treatment of dental implants on primary stability

Carla Rodrigues Mazzo Andréa Cândido dos Reis; Antonio Carlos Shimano; Mariana Lima da Costa Valente

Brazilian Oral Research São Paulo v. 26, n. 4, p. 313-317, 2012

São Paulo 2012

Localização: FMRP - Fac. Medicina de Ribeirão Preto    (pcd 2319162 Estantes Deslizantes )(Acessar)

  • Título:
    In vitro analysis of the influence of surface treatment of dental implants on primary stability
  • Autor: Carla Rodrigues Mazzo
  • Andréa Cândido dos Reis; Antonio Carlos Shimano; Mariana Lima da Costa Valente
  • Assuntos: IMPLANTES DENTÁRIOS; OSSEOINTEGRAÇÃO; RESISTÊNCIA A TRAÇÃO; TRATAMENTO DE SUPERFÍCIES
  • É parte de: Brazilian Oral Research São Paulo v. 26, n. 4, p. 313-317, 2012
  • Descrição: Surface treatment interferes with the primary stability of dental implants because it promotes a chemical and micromorphological change on the surface and thus stimulates osseointegration. This study aimed to evaluate the effects of different surface treatments on primary stability by analyzing insertion torque (IT) and pullout force (PF). Eight samples of implants with different surface treatments (TS - external hexagon with acid surface treatment; and MS - external hexagon, machined surface), all 3.75 mm in diameter X 11.5 mm in length, were inserted into segments of artificial bones. The IT of each sample was measured by an electronic torquemeter, and then the pullout test was done with a universal testing machine. The results were subjected to ANOVA (p < 0.05), followed by Tukey's test (p < 0.05). The IT results showed no statistically significant difference, since the sizes of the implants used were very similar, and the bone used was not highly resistant. The PF values (N) were, respectively, TS = 403.75 ± 189.80 and MS = 276.38 ± 110.05. The implants were shown to be different in terms of the variables of maximum force (F = 4.401, p = 0.0120), elasticity in maximum flexion (F = 3.672, p = 0.024), and relative stiffness (F = 4.60, p = 0.01). In this study, external hexagonal implants with acid surface treatment showed the highest values of pullout strength and better stability, which provide greater indication for their use
  • Editor: São Paulo
  • Data de criação/publicação: 2012
  • Formato: p. 313-317.
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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