Abstract
BackgroundDental implant primary stability is thought to be a fundamental prerequisite for the long-term survival and success. The aim of this study was to analyze the influence of protocol and insertion mode on dental implant stability ex vivo. One hundred and twenty implants were inserted either manually or machine-driven into porcine mandibles by a standard or over-dimensioned protocol. Dental implant stability was measured via resonance frequency analysis (RFA), insertion torque (IT), and torque out (TO).ResultsStatistically significant higher IT and TO values were seen after standard protocol insertion (p < 0.05), whereas manual and machine-driven insertion mode showed equivalent values.ConclusionsThe over-dimensioned protocol exceeded the primary stability values recommended for immediate implant insertion; therefore, it could be recommended as well.
Highlights
Dental implant primary stability is thought to be a fundamental prerequisite for the long-term survival and success
Drilling protocol: standard versus over-dimensioned No statistically significant difference in resonance frequency analysis (RFA) could be measured (Cohen’s d = − 0.022, effect size r = 0.011, p = 0.260), whereas insertion torque (IT) values were significantly higher in implants inserted via Standard protocol (SP) (90.56 ± 31.27 Ncm) in comparison with the over-dimensioned protocols (ODP) (63.74 ± 48.61 Ncm, p = 0.002; Implant geometry: standard protocol No statistically significant difference regarding implant stability quotient (ISQ) (p = 0.353), IT (p = 0.099), or torque out (TO) (p = 0.337) could be measured between implants of different diameter
The aim of this study was to analyze the influence of protocol and insertion mode on dental implant primary stability ex vivo
Summary
Dental implant primary stability is thought to be a fundamental prerequisite for the long-term survival and success. Dental implant stability was measured via resonance frequency analysis (RFA), insertion torque (IT), and torque out (TO). IT is a mechanical parameter influenced by surgical procedure [10, 11], implant design [8, 10, 11], and bone quality [2, 6, 8, 10,11,12] It has been defined by the Foundation for Oral Rehabilitation as the cutting resistance of the bone during implant insertion, the friction, and has been considered an indirect value of implant primary stability [13].
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