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Biomechanical Effects of Jumping Distance on Stress Distributions of Anterior Dental Implant with Socket-Shield Technique / 医用生物力学
Journal of Medical Biomechanics ; (6): E594-E600, 2023.
Article in Chinese | WPRIM | ID: wpr-987991
ABSTRACT
Objective To study the biomechanical effect of jumping distance on dental implants with socket-shield technique (SST), so as to provide references for clinical standards of jump distance. Methods Based on clinical characteristics, four groups of three-dimensional (3D) SST implant system models with 0, 0. 5, 1 and 1. 5 mm jumping distance were established, and the corresponding material parameters were assigned. The peak stress and stress distributions on models were simulated under specific occlusal condition. Results When the jumpingdistance was non-zero, namely, the implant was not in contact with the retained root fragment, the stress of the implant and abutment increased with the increase of jumping distance, and the peak stress in root fragment and periodontal membrane decreased with the increase of jumping distance. When the jumping distance was zero, the peak stress of the implant, abutment, root fragment and periodontal membrane reached the maximum, far exceeding that of the other groups. Conclusions The jumping distance has a significant effect on the SST implant system. It is recommended to take a larger jumping distance in clinical practices. The edge of the root fragment should be rounded, and the size of the lower edge should not be too small.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Medical Biomechanics Year: 2023 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Medical Biomechanics Year: 2023 Type: Article