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- W2124725222 abstract "The purpose of this study was to evaluate the stresses distribution pattern at the implant bone and implant abutment interface with varying implant length. A 3-D edentulous maxillary model was generated from com- puted tomography (CT) images. Four implants were placed in the premaxilla and splinted with a titanium bar. Three different con- figurations were evaluated with the distal implant varying in length (8 mm, 10 mm and 13 mm). A vertical load (120 N) was applied on the titanium bar corresponding to the left second premolar region. Von Mises stress values were evaluated. The results showed that stresses at the periimplant bone as well as at the implant abutment junction decreased on both the sides as the implant length increased. The surface area contact between the bone and implant increases leading to the implant absorbing more of the load and thereby decreasing the stresses. The interface must tolerate the occlusal forces without adverse tissue response. In natural teeth, the periodontal ligament acts as an intermediate cushion element to buffer the occlusal forces; however, in the osseoin- tegrated dental implant, occlusal loads are transmitted directly to the surrounding bones. This could cause microfracture at the interface between the bone and implant, fracture of implant, loosening of components of the implant system, and unwanted bone resorption. It is critical for the practitioner to fully grasp the relationship between various combinations of bone and implant parameters and the resulting stresses on the bone from a wide range of mas- ticatory forces. 2 Several implant concepts have been developed, and many im- plant types are commercially available in different sizes, shapes, materials, and surfaces. To analyze the effectiveness and re- liability of endosseous implants, revealing possible risks of implant failure, stress analysis of bone implant mechanical in- teractions is important. The complex geometry of the coupled bone-implant biomechanical system prevents the use of closed- form approach for stress evaluation. Therefore, the behavior of endosteal dental implants can be investigated by using numeri- cal techniques. Recently, the finite element method has been widely applied to prosthetic dentistry" @default.
- W2124725222 created "2016-06-24" @default.
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- W2124725222 date "2012-06-01" @default.
- W2124725222 modified "2023-10-16" @default.
- W2124725222 title "Effect of Different Implant Length on Stress Distribution Around Dental Implants." @default.
- W2124725222 cites W2068373826 @default.
- W2124725222 cites W2131167617 @default.
- W2124725222 doi "https://doi.org/10.15373/22778179/march2014/143" @default.
- W2124725222 hasPublicationYear "2012" @default.
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