Karimov Moyfat, Timarcioglu Goksel, Candirli Celal
University of Health Sciences, Faculty of Dentistry, Department of Oral and Maxiilofacial Surgery, Uskudar, Istanbul, Turkey.
Private practice, Bagdat St, Kadikoy, Istanbul, Turkey.
J Oral Biol Craniofac Res. 2024 Nov-Dec;14(6):793-801. doi: 10.1016/j.jobcr.2024.10.009. Epub 2024 Oct 24.
This study aims to evaluate the stress distribution on buccolingual and linguobuccal tilted implants in the atrophic posterior mandible using finite element analysis.
Twelve digital models of implants with varying lengths (8.5 mm, 10 mm, 11.5 mm) and angles (20°, 25°) were created. These implants were analyzed under 150 N vertical and oblique forces to assess stress distribution on both implants and surrounding bone.
Linguobuccal implants generally exhibited lower maximum principal stress in cortical bone, while buccolingual implants showed lower minimum principal stress. Longer implants reduced stress under oblique loading.
Tilted implants, particularly using the linguobuccal method, are effective for stress distribution in the atrophic posterior mandible. Further research should explore varying implant diameters and multiple placements for optimization.
本研究旨在使用有限元分析评估萎缩性下颌后牙区颊舌向及舌颊向倾斜种植体的应力分布情况。
创建了12个具有不同长度（8.5毫米、10毫米、11.5毫米）和角度（20°、25°）的种植体数字模型。在150牛的垂直和斜向力作用下对这些种植体进行分析，以评估种植体及其周围骨组织的应力分布。
舌颊向种植体在皮质骨中通常表现出较低的最大主应力，而颊舌向种植体则表现出较低的最小主应力。较长的种植体在斜向加载时可降低应力。
倾斜种植体，尤其是采用舌颊向方法的种植体，对于萎缩性下颌后牙区的应力分布是有效的。进一步的研究应探索不同的种植体直径和多种种植位置以进行优化。
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