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Fatigue Life of Dental Implant- A Review
UR Patil, , BM Shinde
Published in IOS Journals
Volume: 4.0
Pages: 1.0 - 5.0
The reliability and stability of the implant abutment and implant-bone interfaces plays a great role for evaluation of the long-term success of a dental implant. In general, fatigue life depends on many factor such as implant itself, physical properties of bone as well as on other morphological characteristics that are patient dependent. This review studies the fatigue behaviour of dental implants made of commercially pure titanium alloy Ti-6Al-4V. The success or failure of an implant is determined by how the stresses at the bone-implant interface are transferred to the surrounding bones. Maximum stress concentration was presented in the connection of abutment-screw-implant as well as the first threads of the implant where the failure of implant occurs. Overload is the most common reason for implant failure. Source of the overload is due to patient parafunction habits and incorrect prosthesis design, which is responsible for creation of undesired bending moments. The prediction of fatigue life of the dental implant the finite element stress analysis with computer code of ANSYS was used. Fatigue life of dental implant is calculated based on Goodman, Soderberg, Gerber and Mean-Stress theories.
About the journal
JournalJournal of Mechanical & Civil Engineering (IOSRJMCE)
PublisherIOS Journals
Open Access0