钛和聚四氟乙烯表面愈合螺钉粘附特性的半身像和体内研究

L. Meme’, Roberto Rossi, Chiara Belfioretti, Serena Grego, F. Sampalmieri, F. Bambini
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引用次数: 0

摘要

背景:种植体及其支持的修复体的长期维护取决于很多因素。具体来说,患者的生物类型非常重要,如果存在相当厚度的角化牙龈,就能确保真正的生物密封,而生物密封的形成也受到愈合螺丝的影响。通常使用的愈合螺钉由钛制成,但由于其价格昂贵,牙医只能将其作为一次性使用。因此,使用聚四氟乙烯(PTFE)等钛以外的材料来制造愈合螺钉可能会更有优势:本临床实验研究旨在利用聚四氟乙烯愈合螺钉的化学物理特性和毋庸置疑的经济优势,对其进行测试。材料和方法:研究对象为 10 位患者,每位患者植入 2 个种植体。在第二阶段,为每位患者植入一枚钛愈合螺钉和一枚聚四氟乙烯愈合螺钉。7 天后取出,在电子显微镜下进行分析。结果:螺钉的电子显微镜分析表明,聚四氟乙烯表面积聚的有机物质比钛制螺钉少得多。此外,与传统的愈合螺钉相比,聚四氟乙烯愈合螺钉已被证明可减少重复使用引起的炎症程度。结论:聚四氟乙烯螺钉的成本降低,加上材料的固有特性,这些都是很有前景的特性,可以使其在临床实践中发挥优势。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
SEM AND IN VIVO STUDY OF ADHESION CHARACTERISTICS OF TITANIUM AND POLYTETRAFLUOROETHYLENE SURFACES HEALING SCREWS
Background: The long-term maintenance of implants and the prostheses they support depends on many factors. Specifically, the patient's biotype is important where the presence of a significant thickness of keratinized gingiva should ensure the presence of a real biological seal, whose formation is also influenced by the healing screw. The healing screws normally used are made of titanium; however, their cost induces the dentist to use them for improper single use. The possibility of using materials other than titanium such as polytetrafluoroethylene (PTFE) for the construction of healing screws can therefore be advantageous. Objectives: The aim of this experimental clinical study is to test new PTFE healing screws by exploiting their chemical-physical characteristics and undoubted economic advantages. Materials and methods: 10 patients were taken into consideration and 2 implants were inserted in each. In each patient in the second phase, a titanium healing screw and a PTFE healing screw were inserted. After 7 days, they were removed to allow analysis under an electron microscope. Results: SEM analysis of the screws showed that the PTFE surface has the ability to accumulate much less organic material than the titanium control screws. Furthermore, PTFE healing screws have been shown to reduce the level of inflammation induced by reuse compared to traditional healing screws. Conclusions: the reduced cost of the PTFE screw, together with the intrinsic characteristics of the material, represent promising characteristics, which can make their use advantageous in clinical practice.
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