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用于颌面修复重建的先进材料。

State-of-the-art materials used for maxillofacial prosthetic reconstruction.

作者信息

Lontz J F

机构信息

Maxillofacial Prosthetics Center, Veterans Administration Medical Center, Wilmington, Delaware.

出版信息

Dent Clin North Am. 1990 Apr;34(2):307-25.

PMID:2186936
Abstract

The present state-of-the-art rests primarily on three general types of polymeric materials based on chemical configurations, that of polyacrylates, polydimethylsiloxane, and segmented block polyetherurethanes. Each of these types is currently prominent in a wide range of dental prosthodontics and surgical prosthetics with continued chemical variants emerging to attain enhanced biocompatibility for safety and effectiveness. However, owing to the disproportionally lower demand, the state-of-the-art for maxillofacial restorative prosthetics has not focused adequately on the specific array of the properties needed for the ideal prosthesis. To approach the ideality will require synthesizing new molecular configurations adjusted with component structures either as block copolymers or as intermediate oligomers. The synthetic effects must have a comprehensive plan of immediate assessments on terms of biocompatibility for safety to orofacial tissues and effective durability against all conceivable deterioration of the chemical structure. Above all, inasmuch as the skilled art and techniques of maxillofacial prosthetics is a custom-made specialty allied to the prosthodontics, the improved material for ideality should be readily amenable to molding by the well-established dental stone mold technology, for reasons of cost and simplicity.

摘要

目前的先进技术主要基于三种基于化学结构的通用型聚合材料,即聚丙烯酸酯、聚二甲基硅氧烷和嵌段聚醚聚氨酯。这些类型的材料目前在广泛的牙齿修复和外科修复领域中占据主导地位,并且不断有新的化学变体出现,以提高生物相容性,确保安全性和有效性。然而,由于需求不成比例地较低,颌面修复假体的先进技术尚未充分关注理想假体所需的特定性能组合。要实现理想状态,需要合成新的分子结构,将其作为嵌段共聚物或中间低聚物,根据组件结构进行调整。合成效果必须有一个全面的计划,立即对生物相容性进行评估,以确保对口腔面部组织的安全性,并有效抵御化学结构所有可能的降解,具有持久耐用性。最重要的是,由于颌面修复假体的技术和技巧是与牙齿修复相关的定制专业领域,出于成本和简便性的考虑,理想的改良材料应易于通过成熟的牙科石膏模具技术进行成型。

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