BIOMECHANICAL ANALYSIS OF TAPERED INTEGRATED SCREW AND SENSITIVITY ANALYSIS ON ABUTMENT LOOSENING IN DENTAL IMPLANTS

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MALLAKZADEH MOHAMMADREZA; FARZADI MILAD

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Journal of Dental Medicine Year:2013 | Volume:25 | Issue:4 (73) Page(s): 240-250

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Title

BIOMECHANICAL ANALYSIS OF TAPERED INTEGRATED SCREW AND SENSITIVITY ANALYSIS ON ABUTMENT LOOSENING IN DENTAL IMPLANTS

Author(s)

MALLAKZADEH MOHAMMADREZA | FARZADI MILAD | Issue Writer Certificate

Keywords

DENTAL IMPLANTQ2

ABUTMENTQ2

SCREWQ2

TORQUEQ2

Abstract

Background and Aims: Different mechanisms have been developed for connecting ABUTMENT to implant. One of the most popular mechanisms is Tapered Integrated SCREW (TIS), which is a Tapered Interference Fit (TIF) with a SCREW integrated at the bottom of that. The aim of this study was to investigate the mechanism of TIS and effective factors in employing TIS during design and implementation processes using an analytic method.Materials and Methods: Relevant equations were developed to predict tightening and loosening TORQUEs, contact pressure and preloads with and without bone tissue in this analysis. The efficiency is defined as the ratio of the loosening TORQUE to the tightening TORQUE. The effects of the change in elastic modulus and thickness of the bone on operation of this mechanism were investigated.Results: In this study, 14 independent parameters such as taper angle, friction coefficient, ABUTMENT and implant geometry that are effective on performance of TIS mechanism were presented. The role of some factors was shown in the performance of ITI implant using sensitivity analysis.Conclusion: It was shown that friction coefficient, contact length, and implant radius play major roles on tightening and loosening TORQUEs and efficiency of the mechanism. Furthermore, the results revealed that the change in the elastic modulus and thickness of the bone influenced the efficiency of the mechanism less than 15%.

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APA: Copy

MALLAKZADEH, MOHAMMADREZA, & FARZADI, MILAD. (2013). BIOMECHANICAL ANALYSIS OF TAPERED INTEGRATED SCREW AND SENSITIVITY ANALYSIS ON ABUTMENT LOOSENING IN DENTAL IMPLANTS. JOURNAL OF DENTAL MEDICINE, 25(4 (73)), 240-250. SID. https://sid.ir/paper/25227/en

Vancouver: Copy

MALLAKZADEH MOHAMMADREZA, FARZADI MILAD. BIOMECHANICAL ANALYSIS OF TAPERED INTEGRATED SCREW AND SENSITIVITY ANALYSIS ON ABUTMENT LOOSENING IN DENTAL IMPLANTS. JOURNAL OF DENTAL MEDICINE[Internet]. 2013;25(4 (73)):240-250. Available from: https://sid.ir/paper/25227/en

IEEE: Copy

MOHAMMADREZA MALLAKZADEH, and MILAD FARZADI, “BIOMECHANICAL ANALYSIS OF TAPERED INTEGRATED SCREW AND SENSITIVITY ANALYSIS ON ABUTMENT LOOSENING IN DENTAL IMPLANTS,” JOURNAL OF DENTAL MEDICINE, vol. 25, no. 4 (73), pp. 240–250, 2013, [Online]. Available: https://sid.ir/paper/25227/en

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