Influence of reverse torque values in abutments with or without internal hexagon indexes (2014)
- Authors:
- Autor USP: VALLE, ACCACIO LINS DO - FOB
- Unidade: FOB
- Assunto: IMPLANTODONTIA
- Language: Inglês
- Abstract: Statement of problem: The mechanical stability of the implant-abutment connection is of fundamental importance for successful implant-supported restorations. Therefore, understanding removal torque values is essential. Purpose: The purpose of this study was to evaluate the reverse torque values of indexed and nonindexed abutments of the Morse Taper system. Material and Methods: Twelve Morse Taper implants with their respective abutments were divided into 2 groups (n = 6): Group NI – non-indexed abutments and Group IN - indexed abutments. Each abutment received a sequence of 2 consecutive torques for insertion (15 Ncm) at an interval of 10 minutes, and 1 reverse torque, all measured with a digital torque wrench. The Student t test with a 5% significance level was used to evaluate the data. Results: Statistical analysis showed no significant difference in reverse torque values between non-indexed and indexed abutments (P = .57). Comparing insertion torque and reverse torque values between the groups, Group NI presented a mean torque loosening percentage of 8% (P = .013), while Group IN presented a loosening of 15.33% (P Within the limitations of this in vitro study, both groups presented a significant reduction
- Imprenta:
- Source:
- Título: Brazilian Oral Research
- ISSN: 1806-8324
- Volume/Número/Paginação/Ano: v. 28, p. 54, res. AO102 , Sept. 2014. Supplement 1
- Conference titles: Reunião Anual da Sociedade Brasileira de Pesquisa Odontológica - SBPqO
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ABNT
SILVA, F. L. et al. Influence of reverse torque values in abutments with or without internal hexagon indexes. Brazilian Oral Research. São Paulo: Faculdade de Odontologia de Bauru, Universidade de São Paulo. . Acesso em: 10 fev. 2026. , 2014 -
APA
Silva, F. L., Rodrigues-Neto, D. J., Cerutti, D., Teixeira, E. R., Pereira, J. R., & Valle, A. L. do. (2014). Influence of reverse torque values in abutments with or without internal hexagon indexes. Brazilian Oral Research. São Paulo: Faculdade de Odontologia de Bauru, Universidade de São Paulo. -
NLM
Silva FL, Rodrigues-Neto DJ, Cerutti D, Teixeira ER, Pereira JR, Valle AL do. Influence of reverse torque values in abutments with or without internal hexagon indexes. Brazilian Oral Research. 2014 ; 28 54.[citado 2026 fev. 10 ] -
Vancouver
Silva FL, Rodrigues-Neto DJ, Cerutti D, Teixeira ER, Pereira JR, Valle AL do. Influence of reverse torque values in abutments with or without internal hexagon indexes. Brazilian Oral Research. 2014 ; 28 54.[citado 2026 fev. 10 ] - An experimental PVAc nanofiber: electrospinning and characterization
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