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用于牙周组织工程的纤维引导支架。

Fibre guiding scaffolds for periodontal tissue engineering.

机构信息

School of Dentistry, The University of Queensland, Herston, Qld, Australia.

出版信息

J Periodontal Res. 2020 Jun;55(3):331-341. doi: 10.1111/jre.12729. Epub 2020 Mar 5.

Abstract

The periodontium is a highly hierarchically organized organ composed of gingiva, alveolar bone, periodontal ligament and cementum. Periodontitis leads to the destruction of hard and soft tissues ultimately leading to a loss of the teeth supporting apparatus. Current treatments are capable of limiting the disease progression; however, true regeneration, characterized by perpendicularly oriented periodontal ligament fibre attachment to cementum on the root surface remains challenging. Tissue engineering approaches have been developed to enhance regeneration via micro-engineered topographical features, purposely designed to guide the insertion of the regenerated ligament to the root surface. This review reports on the recent advancements in scaffold manufacturing methodologies for generating fibre guiding properties and provides a critical insight in the current limitations of these techniques for the formation of functional periodontal attachment.

摘要

牙周组织是一个高度分层组织的器官,由牙龈、牙槽骨、牙周韧带和牙骨质组成。牙周炎导致软硬组织破坏,最终导致牙齿支持组织丧失。目前的治疗方法能够限制疾病的进展;然而,真正的再生,表现为牙周韧带纤维垂直附着在牙根表面的牙骨质上,仍然具有挑战性。组织工程方法已经被开发出来,通过微工程化的拓扑特征来增强再生,这些特征被设计用来引导再生的韧带插入到牙根表面。本文综述了用于产生纤维导向特性的支架制造方法的最新进展,并对这些技术在形成功能性牙周附着方面的当前局限性进行了批判性的分析。

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