Lukas Hingsammer, Bernhard Pommer, Stefan Hunger, Rapahel Stehrer, Georg Watzek, Angel Insua
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引用次数: 14
Abstract
Purpose: The aim of this systematic review is to provide an overview of finite element analyses comparing standard and short dental implants concerning biomechanical properties and to detect the most relevant parameters affecting periimplant stress concentrations.
Material and methods: After screening the literature and assessment of studies, 36 studies were included in this review.
Results: Eighty-three percent of the studies state that short dental implants have to bear higher stress concentrations compared with standard length implants. At the same time, 44% of articles note that implant diameter can be considered a more effective design parameter than implant length to reduce stress concentrations and to avoid an overload of periimplant bone. Regardless of implant dimension, in all studies, the highest stress concentrations are found in the cortical section around the upper part of the implant.
Conclusions: Unaffected of bone quality, implant diameter is found to play a key role to minimize periimplant stress concentrations. Concerning stress reduction implant length gains increasing relevance with decreasing bone density. Furthermore, splinting of short implants constitute an appropriate tool to avoid crestal overloading.
期刊介绍:
Cessation. Implant Dentistry, an interdisciplinary forum for general practitioners, specialists, educators, and researchers, publishes relevant clinical, educational, and research articles that document current concepts of oral implantology in sections on biomaterials, clinical reports, oral and maxillofacial surgery, oral pathology, periodontics, prosthodontics, and research. The journal includes guest editorials, letters to the editor, book reviews, abstracts of current literature, and news of sponsoring societies.