The effect of thread pattern upon implant osseointegration

Clinical Oral Implants Research - Tập 21 Số 2 - Trang 129-136 - 2010
Heba Abuhussein1, Giorgio Pagni1, Alberto Rebaudi2, Hom‐Lay Wang1
1Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, Ann Arbor, MI, USA
2Department of Biophisical, Medical and Dental Science & Technology, University of Genoa, Italy

Tóm tắt

Abstract

Objectives: Implant design features such as macro‐ and micro‐design may influence overall implant success. Limited information is currently available. Therefore, it is the purpose of this paper to examine these factors such as thread pitch, thread geometry, helix angle, thread depth and width as well as implant crestal module may affect implant stability.

Search Strategy: A literature search was conducted using MEDLINE to identify studies, from simulated laboratory models, animal, to human, related to this topic using the keywords of implant thread, implant macrodesign, thread pitch, thread geometry, helix angle, thread depth, thread width and implant crestal module.

Results: The results showed how thread geometry affects the distribution of stress forces around the implant. A decreased thread pitch may positively influence implant stability. Excess helix angles in spite of a faster insertion may jeopardize the ability of implants to sustain axial load. Deeper threads seem to have an important effect on the stabilization in poorer bone quality situations. The addition of threads or microthreads up to the crestal module of an implant might provide a potential positive contribution on bone‐to to‐implant contact as well as on the preservation of marginal bone; nonetheless this remains to be determined.

Conclusions: Appraising the current literature on this subject and combining existing data to verify the presence of any association between the selected characteristics may be critical in the achievement of overall implant success.

To cite this article: 
Abuhussein H, Pagni G, Rebaudi A, Wang H‐L. The effect of thread pattern upon implant osseointegration.
Clin. Oral Impl. Res. 21, 2010; 129–136.
doi: 10.1111/j.1600‐0501.2009.01800.x

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Clinical Oral Implants Research

Tập 21 Số 2

129-136

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