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定义在合金表面对单种和多种生物膜的有效清洗方案的挑战

Priscilla Neves Raile¹, Patricia Almeida Curylofo¹, Viviane de Cássia Oliveira^1,2

¹Department of Dental Materials and Prosthodontics, Dental School of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil.

Dental and medical problems

|September 3, 2025

概括

在可拆卸部分假牙 (RPD) 材料上,NitrAdine有效降低了微生物活力和生物膜的形成. 然而,与单个物种模型相比,清洗方案对多种生物膜的有效性较低.

科学领域:

口腔微生物学和假牙学.
生物材料和表面科学.

背景情况:

有效的清洁方案对于可拆卸部分假牙 (RPD) 的生物膜管理至关重要.
在RPD使用者中保持口腔健康取决于对假肢生物膜的控制.

研究的目的:

在合金 (Co-Cr) 上评估四种清洗方案的抗菌膜有效性.
Co-Cr合金是用于RPD框架的常见材料.

主要方法:

用Candida albicans,Candida glabrata,Staphylococcus aureus和Streptococcus mutans接种了样,以产生单种和多种生物膜.
样本被处理为Ricinus communis (2%和10%),CepacolTM,NitrAdineTM或蒸水 (对照剂).
在治疗后评估了微生物活力和残留生物膜.

主要成果:

在Ricinus communis溶液中,没有显著影响微生物的生存能力.
在单种生物膜中,Cepacol降低了C. albicans,C. glabrata和S. aureus的活力.
在两种生物膜类型中,NitrAdine有效地降低了C. glabrata和S. mutans的活力,并减少了生物膜面积.

结论:

清洁方案对多种生物膜的有效性低于单种生物膜.
作为RPD控制生物膜的辅助剂, 氨酸显得有前途.

关键词:

抗菌作用清洁剂合金可拆卸的部分假牙

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