A FINITE-ELEMENT ANALYSIS OF STRESS DISTRIBUTION AROUND DENTAL IMPLANT IN DIFFERENT BAR-ATTACHMENT SYSTEMS

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RISMACHIAN MANSOUR; DAKHILALIAN M.; GHASEMI E.; YAGHINI J.

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Journal: Journal of Dentistry Year:2009 | Volume:10 | Issue:1 (22) Page(s): 44-50

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Title

A FINITE-ELEMENT ANALYSIS OF STRESS DISTRIBUTION AROUND DENTAL IMPLANT IN DIFFERENT BAR-ATTACHMENT SYSTEMS

Author(s)

RISMACHIAN MANSOUR | DAKHILALIAN M. | GHASEMI E. | YAGHINI J. | Issue Writer Certificate

Keywords

ITI (DOLDER) AND OT BAR ATTACHMENTQ2

FINITE-ELEMENT ANALYSISQ3

IMPLANTQ2

Abstract

Statement of Problems: When IMPLANTs are used to support an over denture, the optimal stress distribution is desirable to minimize the forces on the IMPLANTs.Purpose: The purpose of this study was to compare stress patterns generated around IMPLANT supported over denture with two different bar attachment systems ITI (Dolder) and OT with finite element method. Materials and Method: In this descriptive study, the stress distribution around dental IMPLANTs in an edentulous mandible with two different bar attachment systems [OT without spacer and ITI (Dolder) with spacer] was calculated by means of three-dimensional, finite-element model of an entire lower jaw. This model was provided with two endosseous IMPLANTs in the canine region. The IMPLANTs were connected to a 2 mm bar height and a vertical force was applied to the first left molar and gradually increased from 0 to 50N. Then, resultant stress distribution was evaluated.Result: In OT and ITI (Dolder) bar attachments, the maximum von Mises stress values were observed in the cortical bone adjacent to the IMPLANT neck and this value was higher for OT bar (6.114Mpa) than ITI (Dolder) bar attachment (3.896 Mpa).Conclusion: This 3-D FE study suggested that the use of ITI (Dolder) bar attachment with spacer is more advantageous than OT bar attachment for IMPLANT-supported overdenture with regard to optimizing stress distribution.

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APA: Copy

RISMACHIAN, MANSOUR, DAKHILALIAN, M., GHASEMI, E., & YAGHINI, J.. (2009). A FINITE-ELEMENT ANALYSIS OF STRESS DISTRIBUTION AROUND DENTAL IMPLANT IN DIFFERENT BAR-ATTACHMENT SYSTEMS. JOURNAL OF DENTISTRY (SHIRAZ UNIVERSITY OF MEDICAL SCIENCES), 10(1 (22)), 44-50. SID. https://sid.ir/paper/108502/en

Vancouver: Copy

RISMACHIAN MANSOUR, DAKHILALIAN M., GHASEMI E., YAGHINI J.. A FINITE-ELEMENT ANALYSIS OF STRESS DISTRIBUTION AROUND DENTAL IMPLANT IN DIFFERENT BAR-ATTACHMENT SYSTEMS. JOURNAL OF DENTISTRY (SHIRAZ UNIVERSITY OF MEDICAL SCIENCES)[Internet]. 2009;10(1 (22)):44-50. Available from: https://sid.ir/paper/108502/en

IEEE: Copy

MANSOUR RISMACHIAN, M. DAKHILALIAN, E. GHASEMI, and J. YAGHINI, “A FINITE-ELEMENT ANALYSIS OF STRESS DISTRIBUTION AROUND DENTAL IMPLANT IN DIFFERENT BAR-ATTACHMENT SYSTEMS,” JOURNAL OF DENTISTRY (SHIRAZ UNIVERSITY OF MEDICAL SCIENCES), vol. 10, no. 1 (22), pp. 44–50, 2009, [Online]. Available: https://sid.ir/paper/108502/en

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