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J Periodontol:种植体周围龈沟液有助于诊断种植体周围炎

2015-03-13 MedSci MedSci原创

J Periodontol:种植体周围龈沟液有助于诊断种植体周围炎关键词:种植体周围炎 炎症 白细胞介素 诊断种植体周围炎是细菌对植体周围组织的刺激与宿主免疫反应相互作用的结果。据推测,发病时间、严重程度与累及范围取决与不同的个体。除了口腔卫生,吸烟,全身状况如免疫介导的疾病,糖尿病和肥胖是种植体周围组织进行性破坏的关键因素。其他的研究对研究了炎症介质如细胞因子、趋化因子、基质金属蛋白酶等的表达,




种植体周围炎是细菌对植体周围组织的刺激与宿主免疫反应相互作用的结果。据推测,发病时间、严重程度与累及范围取决与不同的个体。除了口腔卫生,吸烟,全身状况如免疫介导的疾病,糖尿病和肥胖是种植体周围组织进行性破坏的关键因素。

其他的研究对研究了炎症介质如细胞因子、趋化因子、基质金属蛋白酶等的表达,然而,这些炎症介质在细胞内的信号转导通道却很复杂。作为种植体周围病的炎症介质(因在种植体周围炎部位的龈沟液中这些介质表达浓度明显升高),如白细胞介素-1β(IL-1β)和肿瘤坏死因子-α(TNF-α)已在临床研究中研究过,

由于大量的细胞因子作用相互重叠,使得在种植体周围病变组织中激活的细胞因子网络变得很复杂,并根据疾病的进展不断变化。为了设计新的方法来调节宿主免疫反应,故理解种植体周围病中细胞因子参与的信号通道十分重要。

不同的研究小组已对植体周围龈袋内的细胞因子的表达做过研究。并尝试将这些细胞因子归类为Th1型和Th2型,目前已知的种植体周围炎的细胞因子包括Th1型和Th2型反应。

牙周病中的细胞因子可能与种植体周围病的细胞因子相似。到目前为止,尚没有对评估种植体周围病龈沟液内主要细胞因子的研究。广泛了解种植体周围病的免疫炎症因子有助于开展有针对性的预防和治疗措施。先前有两个探讨此话题的综述,表明PICF在诊断种植体周围炎中有潜在的作用。然而,这两个综述都没有进行系统性的回顾,也没有进行meta分析。我们通过对种植体周围病中PICF的炎症表达与健康个体对比,首次提供系统性的回顾。

考虑到种植体周围龈沟液内炎症细胞因子的水平与种植体周围病之间关系的有力证据,因此,本研究的目的是系统性的回顾关于此关系的现有的证据,总结直接评估种植体周围病患者PICF的炎症水平的研究。

方法:使用预定义搜索策略,系统性回顾1996年到2013年11月之间健康个体和种植体周围炎部位PICF中最常见的细胞因子。采用横断面和前瞻性调查研究。非别对健康个体和种植体周围炎患者的调查结果进行meta分析。

结果:IL-1β(n=12)是最常见的细胞因子,其次是TNF-α(n=10)。其他细胞因子,如 IL-4, -6,-8,-10,-12 ,-17与种植体周围炎同样相关。健康个体和种植体周围炎(p=0.001)或种植体周围粘膜炎(p=0.002)个体的IL-1β表达量有统计学差异;而对比种植体周围炎和种植体周围粘膜炎时,则无统计学差异(p=0.80)。健康个体和种植体周围炎患者的TNF-α表达量显著不同(p=0.02)。

结论:PICF内含有炎性介质,如IL-1β和TNF-α,有助于诊断种植体周围炎,可作为其诊断的一个附加标准。此外,一旦发生了炎症,种植体周围炎和种植体周围粘膜炎则无任何区别。

原始出处:

Faot F, Nascimento GG, Bielemann AM, Campão TD, Leite FR, Quirynen M. Can Peri-implant Crevicular Fluid Assist in the Diagnosis of Peri-implantitis? A Systematic Review and Meta-analysis. J Periodontol.2015 Feb 13:1-20. 

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    2016-09-13 1e10c84am36(暂无匿称)

    好文章,还会关注

    0

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    2016-02-06 feather89
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    2015-12-18 huangdf
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