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J Clin Periodontol:角化龈对种植体周围炎手术疗效的影响

2020-04-30 网络 网络

角化龈是附着龈与游离龈的合称。临床口腔种植中,种植体周围角化龈缺损或不足严重影响着种植体周围组织的健康及种植体的长期成功率。

牙龈是指覆盖于牙槽突表面和牙颈部周围的口腔黏膜上皮及其下方的结缔组织,有游离龈、附着龈和龈乳头三部分组成,角化龈是附着龈与游离龈的合称。临床口腔种植中,种植体周围角化龈缺损或不足严重影响着种植体周围组织的健康及种植体的长期成功率。

本实验旨在评估种植体周围角化龈(KM)宽度对手术治疗种植体周围炎效果的影响。

手术治疗的种植体周围炎种植体被分为两组(KM宽度<2 mm和≥2 mm)。在种植体植入后(T0)和种植体周围炎手术治疗当天(T1)获得回顾性数据。随后纳入患者(T1后≥1年)进行临床和影像学检查(T2),采用广义估计方程(GEE)模型进行分析。

本研究共纳入40例患者(68个种植体)(平均随访52.4±30.5个月)。从T0到T1,KM组的种植体周围探诊深度(PPD)和探诊出血(BOP)方面没有差异。然而, KM<2 mm组的位点表现出明显的脓肿(SUP)和较低的边缘骨水平(MBL)(P > .01)。T1和T2之间,两组在PPD降低、BOP和MBL的变化上没有显着差异。GEE模型显示,与KM宽度相比,手术治疗前的MBL严重程度能更好的预测种植体的存活率。

因此,手术治疗种植体周围炎的结果主要受治疗时骨吸收程度的影响,与KM不相关。

原始出处:

Andrea Ravidà, Influence of keratinized mucosa on the surgical therapeutical outcomes of peri‐implantitis. journal of clinical periodontology, 2020. Doi:10.1111/jcpe.13250

 

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    2020-12-24 feather89
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    2020-07-31 huangdf
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    2020-05-01 内科新手

    谢谢梅斯提供这么好的信息,学到很多

    0

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