STRESS TENSOR MODIFICATION IN ALVEOLAR BONE RESORPTION: 3D ANALYSIS USING FINITE ELEMENT METHOD

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GERAMI E.

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Journal: JOURNAL OF DENTISTRY (SHIRAZ UNIVERSITY OF MEDICAL SCIENCES) Year:2003 | Volume:3 | Issue:3-4 (5) Page(s): 39-49

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Title

STRESS TENSOR MODIFICATION IN ALVEOLAR BONE RESORPTION: 3D ANALYSIS USING FINITE ELEMENT METHOD

Author(s)

GERAMI E. | Issue Writer Certificate

Keywords

FINITE ELEMENT ANALYSISQ4

ALVEOLAR BONE RESORPTIONQ4

STRESS TENSORQ3

Abstract

The main goal of this research was to evaluate the stress produced in tooth, PDM, spongy bone, and cortical bone consequent to force application (1 N) to the crown of an upper central incisor, while the alveolar bone resorbs gradually. Four 3-dimensional FEM models were designed (ARGue 392-5) with the same form except for their alveolar bone support that represented 1, 2.5, 5, and 6.5 mm of reduction. All the output data were compared with a normal model (ARGue 391). Normal stress in palato-labial direction (dY) and two shearing stresses (Tyz, Tyx) were evaluated. A progressive increase in all stress forms were found in all of the involved tissues in gradual steps of alveolar bone loss. Based upon this study, 2.5 mm of alveolar bone loss can be considered as the limit beyond which the normal stress changes accelerate. This limit is 5 mm for the shearing stresses. There were some clinical suggestions on the manner of force application and the appliance selection, based on the findings of this study, in the article.

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APA: Copy

GERAMI, E.. (2003). STRESS TENSOR MODIFICATION IN ALVEOLAR BONE RESORPTION: 3D ANALYSIS USING FINITE ELEMENT METHOD. JOURNAL OF DENTISTRY (SHIRAZ UNIVERSITY OF MEDICAL SCIENCES), 3(3-4 (5)), 39-49. SID. https://sid.ir/paper/108439/en

Vancouver: Copy

GERAMI E.. STRESS TENSOR MODIFICATION IN ALVEOLAR BONE RESORPTION: 3D ANALYSIS USING FINITE ELEMENT METHOD. JOURNAL OF DENTISTRY (SHIRAZ UNIVERSITY OF MEDICAL SCIENCES)[Internet]. 2003;3(3-4 (5)):39-49. Available from: https://sid.ir/paper/108439/en

IEEE: Copy

E. GERAMI, “STRESS TENSOR MODIFICATION IN ALVEOLAR BONE RESORPTION: 3D ANALYSIS USING FINITE ELEMENT METHOD,” JOURNAL OF DENTISTRY (SHIRAZ UNIVERSITY OF MEDICAL SCIENCES), vol. 3, no. 3-4 (5), pp. 39–49, 2003, [Online]. Available: https://sid.ir/paper/108439/en

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