In Vivo Effectiveness of Silicone Gel Sheets as Barriers at the Inner Microgap Between a Prosthetic Abutment and an External-Hexagon Implant Platform

Pimentel, Angélica Castro; Manzi, Marcello Roberto; Sartori, Saul Galileu; Naclério‐Homem, Maria da Graça; Sendyk, Wilson Roberto

doi:10.11607/jomi.3177

Cited by 11 publications

(1 citation statement)

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“…Implant-supported fixed dental prostheses (FDPs) are the alternative of choice to replace lost teeth, from a single crown to a complete arch [1][2][3][4][5].…”

Section: Introductionmentioning

confidence: 99%

A Novel Technique Using Polytetrafluoroethylene Tape to Solve Screw Loosening Complication in Implant-Supported Single Crowns

Felix

Medina

Gómez‐Polo

et al. 2020

IJERPH

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This study aimed to analyze a novel technique to make screws with greater untightening resistance and to solve screw loosening in implant-supported single crowns. Thirty grade IV titanium straight abutments were screwed onto 30 external hex implants using grade IV titanium screws (30 Ncm). They were exposed to cyclic loading (300,000 cycles, 200 N). Samples were divided into 4 groups (15 samples per group): new screws (SCREW group) (control), reused screws (rSCREW group), new screws wrapped with polytetrafluoroethylene (PTFE) tape (PTFE group), and reused screws wrapped with PTFE tape (rPTFE group). Reverse torque values (RTVs) were recorded with a digitally calibrated implant motor. Mean RTVs observed were 14.46 N (±1.10 N) for the control group, 14.42 N (±1.22 N) for the rSCREW group, 19.97 N (±1.16 N) for the PTFE group, and 19.13 N (±2.38 N) for the rPTFE group. Statistically significant differences were found between RTVs of both groups employing screws without PTFE tape (SCREW and rSCREW groups) compared with those using screws wrapped with PTFE tape (PTFE and rPTFE) (p < 0.001). These results suggest that wrapping the implant–abutment screw with PTFE tape may effectively lower the risk of loosening and even constitute a solution when this complication occurs in implant single crowns.

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“…Implant-supported fixed dental prostheses (FDPs) are the alternative of choice to replace lost teeth, from a single crown to a complete arch [1][2][3][4][5].…”

Section: Introductionmentioning

confidence: 99%

A Novel Technique Using Polytetrafluoroethylene Tape to Solve Screw Loosening Complication in Implant-Supported Single Crowns

Felix

Medina

Gómez‐Polo

et al. 2020

IJERPH

View full text Add to dashboard Cite

show abstract

Marginal fit and microbial leakage along the implant-abutment interface of fixed partial prostheses: An in vitro analysis using Checkerboard DNA-DNA hybridization

Nascimento

Ikeda

Pita

et al. 2015

The Journal of Prosthetic Dentistry

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Effect of sealing gel on the microleakage resistance and mechanical behavior during dynamic loading of 3 implant systems

Zhi

Tan

et al. 2022

The Journal of Prosthetic Dentistry

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In Vivo Effectiveness of Silicone Gel Sheets as Barriers at the Inner Microgap Between a Prosthetic Abutment and an External-Hexagon Implant Platform

Abstract: It was evident that the silicone membrane reduced, but did not prevent, penetration of these species into external-hex implants.

Cited by 11 publications

References 0 publications

A Novel Technique Using Polytetrafluoroethylene Tape to Solve Screw Loosening Complication in Implant-Supported Single Crowns

A Novel Technique Using Polytetrafluoroethylene Tape to Solve Screw Loosening Complication in Implant-Supported Single Crowns

Marginal fit and microbial leakage along the implant-abutment interface of fixed partial prostheses: An in vitro analysis using Checkerboard DNA-DNA hybridization

Effect of sealing gel on the microleakage resistance and mechanical behavior during dynamic loading of 3 implant systems

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