[Antimicrobial action of dental materials used in operative dentistry: a review].

Odontostomatologike proodos Pub Date : 1989-10-01
P G Sourai
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Abstract

This is a review of the literature about the antimicrobial action of dental materials used in operative dentistry. There are referred to the usefulness of the antimicrobial action of dental materials, and to the methods used by the investigators for the study of the antimicrobial properties. The methods used were: the examination of the in vitro antimicrobial action of the materials against several microbes, The in vivo antimicrobial action of the materials against the microbes that are enclosed underneath them in dental cavities, where some carious material was left on the floor of the cavities. Some other methods, as so as the adsorption of microbes on the experimental materials, in vivo and in vitro. There are presented the results of a lot of investigators for the antimicrobial action of dental amalgams, composite resins, silicate cements, glass-ionomer cements, zinc-phosphate, zinc oxide-eugenol and polycarboxylate cements, calcium hydroxide bases and also for varnishes and liners, since the time of Miller (1890) up to now. From these researches we can come to the following conclusions: 1) All dental materials have some antibacterial activities against several microbes when they are freshly mixed. Their action reduces with the past of time. 2) The responsible antibacterial factors are unknown. May be more than one factors. 3) In clinical practice it is not known what material is better, because the conditions are different from tooth to tooth and from mouth to mouth. 4) More researchers are necessary for this purpose because the antibacterial properties must be regarded as a part of the other biological properties of dental materials and the recurrent caries may be inhibited because of the antibacterial properties of filling and base materials.

[牙科手术中口腔材料的抗菌作用:综述]。
这是一篇关于牙科手术中使用的牙科材料抗菌作用的文献综述。文中提到了牙科材料抗菌作用的有用性,以及研究人员用于抗菌性能研究的方法。使用的方法是:检查材料对几种微生物的体外抗菌作用,材料对封闭在它们下面的牙槽内的微生物的体内抗菌作用,其中一些蛀牙物质留在了牙槽的地板上。其他一些方法,如在实验材料上吸附微生物,在体内和体外。从米勒(1890)到现在,对牙科汞合金、复合树脂、硅酸盐胶结剂、玻璃离子聚合物胶结剂、磷酸锌、氧化锌-丁香酚和聚羧酸盐胶结剂、氢氧化钙碱以及清漆和衬里的抗菌作用进行了大量的研究。从这些研究中我们可以得出以下结论:1)所有牙科材料在新鲜混合时都对几种微生物具有一定的抗菌活性。他们的行动随着时间的流逝而减少。2)抗菌因子未知。可能不止一个因素。3)在临床实践中,不知道哪种材料更好,因为牙齿和口腔的情况不同。4)抗菌性能必须被视为牙科材料其他生物学特性的一部分,而充填材料和基材的抗菌性能可能会抑制龋病的复发,因此需要更多的研究人员对此进行研究。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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