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Article Dans Une Revue Journal of Physics: Conference Series Année : 2019

Effect of force angle on the strain distribution of osseointegrated dental implants

L Forero
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R. Castilla
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Résumé

In this work, we investigate the response of the anisotropic maxilla bone in the peri-implant region, when osseointegrated implants are subjected to external forces at different angles, based on the stress and strain distribution by the finite element method. Models were created to represent a portion of a maxilla bone (upper first molar region) with two types of implants which have different thread geometry (squared and V-shaped) and material (Ti-6AL-4V ELI and grade IV Titanium). Compressive axial (150 N) and oblique load (150 N at 45° angle) were applied to anisotropic models of the bone tissues. Complete osseointegration was assumed. Results demonstrated that the increase of the implant inclination leads to a more critical behaviour. Oblique loading is more detrimental to stress and strain distribution than axial load. Stress fields were more efficiently distributed by squared thread implants.
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Dates et versions

hal-02381921 , version 1 (26-11-2019)

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L Forero, R. Castilla, Octavio Andrés González Estrada. Effect of force angle on the strain distribution of osseointegrated dental implants. Journal of Physics: Conference Series, 2019, 1388, pp.012022. ⟨10.1088/1742-6596/1388/1/012022⟩. ⟨hal-02381921⟩

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