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J Periodontol.:罗伊氏乳杆菌含片可以辅助治疗牙周炎

2015-03-14 MedSci MedSci原创

J Periodontol.:罗伊氏乳杆菌含片可以辅助治疗牙周炎关键词:慢性牙周炎 龈沟液 基质金属蛋白-8 益生菌 洁治和根面平整 益生菌是指活的微生物,足量应用是对宿主的健康有益。益生菌可通过各种机制,包括与致病因子竞争营养,产生抗菌物质以对抗牙周致病菌,调节局部和全身的免疫反应、增强黏膜的防御功能。其中,全身免疫调节可以调节抗炎和促炎因子的表达,因而是益生菌发挥作用的主要机制之一。基质金属蛋


益生菌是指活的微生物,足量应用是对宿主的健康有益。益生菌可通过各种机制,包括与致病因子竞争营养,产生抗菌物质以对抗牙周致病菌,调节局部和全身的免疫反应、增强黏膜的防御功能。其中,全身免疫调节可以调节抗炎和促炎因子的表达,因而是益生菌发挥作用的主要机制之一。基质金属蛋白(MMPs)是降解和重塑细胞外基质必不可少的蛋白水解酶。MMPs的蛋白水解活性严格受基质金属蛋白酶组织抑制剂(TIMPs)的调节。MMPs活性与TIMPs之间的平衡决定了细胞外基质(ECM)的重塑的程度。慢性牙周炎(CP)时,MMPs活性与其内源性抑制剂的失衡导致了ECM的病理变化。

MMP-8是MMPs中主要的MMP酶,可导致CP患者牙周组织破坏和重塑,且发现与重度牙周炎有关。一些研究已经评估了益生菌对牙周疾病的影响,但是其结果颇具争议。在这些研究中,益生菌运用于不同牙周疾病的治疗,降低了患者的临床指数以及牙周致病菌的水平。此外,其中一些研究并没有显示出更好的临床和/或微生物学效果。目前尚未清楚那些所谓的的有益菌的系统免疫调节作用是否可在口腔中发现。一些文献调查显示,只有一项调查研究测试了慢性牙周炎患者乳酸杆菌的免疫调节作用。这种益生菌的体外运用可使唾液中的炎性标志物(如基质金属蛋白、硝酸氧化物合成酶活性、前列腺素E2、和干扰素γ的水平)明显降低。

目的:本研究的目的是为了评估一年的随访期内罗伊氏乳杆菌含片作为洁治和根面平整(SRP)的辅助手段对CP患者的牙周炎症因子(如GCF内的 MMP-8及TIMP-1水平)以及临床参数的作用。

方法:30例CP患者随机分为两组。每位患者至少有2颗牙齿的邻接位点探诊深度(PD)为5-7mm,每个象限的牙龈指数(GI)≥2。试验组患者接受SRP及益生菌含片治疗。对照组接受SRP及安慰剂含片治疗。测量每组的菌斑指数(PI)、GI、出血指数(BOP)、PD和附着增加量。收集龈沟液()样本后,使用ELISA来测量MMP-8和TIMP-1的水平。在基线期、第21天、第90天、第180天和第360天进行这些评估。

结果:在所有时间点对比组间PI、GI、BOP和PD的测量结果,发现有显著的统计学差异(p<0.05)。在第180天时,GCF内MMP-8的水平明显降低,TIMP-1的水平明显升高,差异有统计学差异(p<0.05)。与对照组相比,在第90天、第180天和第360天时,试验组的附着增加水平显著升高。

结论:罗伊氏乳杆菌含片作为中等深度CP患者治疗的有益补充。低水平MMP-8和高水平TIMP-1水平表明直至含片使用第180天,开始降低炎性相关标志物。

原始出处:

İnce G, Gürsoy H, İpçi ŞD, Cakar G, Emekli-Alturfan E, Yılmaz S. Clinical and Biochemical Evaluation of Lactobacillus Reuteri Containing Lozenges as an Adjunct to Non-Surgical Periodontal Therapy in Chronic Periodontitis. J Periodontol. 2015 Mar 5:1-13. 

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    2016-09-13 1e10c84am36(暂无匿称)

    好文章,还会关注

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    2015-05-14 feather89
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    2015-03-30 ixiaochengdudu

    记住了:罗伊氏乳杆菌含片

    0

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