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ORIGINAL ARTICLE
Year : 2019  |  Volume : 25  |  Issue : 2  |  Page : 74-75

Effect of using rigid versus nonrigid attachments on stresses induced in peri-implant bone in implant-supported prostheses (finite element analysis): a nonrandomized in-vitro study


Department of Implantology, Faculty of Dentistry, Cairo University, Cairo, Egypt

Correspondence Address:
Hitham M Shalaby
MSc, 11 El-Saraya Street, El-Manyal, Cairo
Egypt
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/kamj.kamj_27_19

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Background Peri-implant bone stresses can sometimes be detrimental. Efforts are made in order to keep these stresses at the normal level. Methods A finite element analysis was carried out in which two models were compared, the rigid attachment used in a fixed prosthesis versus the nonrigid one used in a removable prosthesis. Both of them were completely implant-supported. Results Have shown that the rigid type produced higher stresses than the nonrigid one. Conclusion Nonrigid attachments are more biocompatible than the rigid attachments.


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