Simulated bone remodeling around tilted dental implants in the anterior maxilla

Simulated bone remodeling around tilted dental implants in the anterior maxilla
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上颌前牙倾斜种植体周围的模拟骨重塑

DOI:
10.1007/s10237-015-0718-5
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发表时间:
2015-08
影响因子:
3.5
通讯作者:
Ping Ji
Ping Ji
中科院分区:
工程技术2区
文献类型:
--
作者:
Chao Wang;Weiping Zhang;Deepal Haresh Ajmera;Yun Zhang;Yubo Fan;Ping Ji

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由于骨形态的变化,种植体必须以不同的角度放置长轴。本研究的目的是探讨倾斜的牙种植体引起的不同骨重建反应,并评估它是否会导致骨丢失和种植失败。在这项研究中,骨重建由于腭唇倾斜种植体放置在上颌前切牙区进行了模拟。本文建立了一个带有牙种植体的上颌骨的CT有限元模型。分别在、、和植入了5个牙种植体。记录并比较两组的重塑进展情况。模型(腭侧)显示最高的骨密度值,但倾斜的种植体(唇侧)导致显著的骨丢失。从生物力学角度推测,种植体向腭侧倾斜更有可能提高上颌前部的骨密度,但种植体向唇侧倾斜可能会危及其稳定性。
Dental implants have to be placed with the long axis in different angulations due to the change in bone morphology. The objective of this study was to investigate the different bone remodeling response induced by the tilted dental implants and to assess whether it could lead to bone loss and implant failure. In this study, bone remodeling due to palato-labially inclined dental implants placed in the anterior maxillary incisor region was simulated. CT-based finite element models of a maxillary bone with dental implants were created herein. Five dental implants were placed at,,,and, respectively. The remodeling progression was recorded and compared. Model(palatal side) shows the highest bone density values, but the inclined implant at(labial side) leads to significant bone loss. From a biomechanical perspective, it is speculated that a palatally inclined implant is more likely to enhance the bone density in the maxillary anterior region, but labial inclination of implant could jeopardize its stability.
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