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在牙科植入物印象中交叉污染

Arvind P Adapalli, James Katancik, Justin Merritt

The International journal of oral & maxillofacial implants

|February 27, 2026

概括

牙植入物印记的标准消毒可能会有细菌污染的风险. 在9个印记中,有6个显示出细菌生长,强调了改善消毒技术的必要性,以防止牙科手术中的交叉污染.

科学领域:

口腔微生物学口腔微生物学
牙科材料科学牙科材料科学
在牙科中进行感染控制.

背景情况:

牙科植入物修复需要准确的印记才能获得成功的结果.
印记的消毒对于防止微生物传播至关重要.
传统的喷雾消毒方法被广泛使用,但它们的有效性需要评估.

研究的目的:

为了评估在模拟牙植入物印记制作过程中细菌交叉污染的风险.
评估常规喷雾消毒用二酸盐的有效性.
在牙植入物印记上识别潜在的微生物污染物.

主要方法:

分析了接受植入物治疗的8名患者的9个模拟印象.
用传统喷雾技术用二酸盐消毒印记.
细菌培养和16S DNA 序列测序在印记对应物上进行.
积极和消极对照被用于验证方法.

主要成果:

在九个印象中,在六个印象中检测到细菌生长.
链球菌是发现的最常见的细菌.
探测部位的出血显示了Rothia的较高存在.
在唾液产量较高的患者中,Neisseria的发生率更高.

结论:

牙植入物印记的常规消毒协议可能无法消除微生物污染.
这些发现表明,存在潜在的交叉污染风险.
建议进一步研究牙印记材料的优化消毒技术.

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Veneer

Veneer

Veneer refers to a thin sheet of wood, typically produced to a thickness of about one-eighth of an inch or less. This material is crafted through various methods, the most common being rotary cutting. In this process, a log is mounted into a large lathe and spun against a knife edge, peeling off a continuous strip of wood as the knife penetrates deeper into the rotating log, creating a rotary-cut veneer.
Other veneering techniques include plain-slicing, quarter-slicing, and rift-slicing. These...