改良粘接固位后牙种植义齿修复对种植体周围组织的影响

The effects of modified adhesion retention on the surrounding tissues of dental implant

目的:考察改良粘接固位后牙种植义齿修复对种植体周围组织的近期影响。方法:纳入后牙缺陷的患者182例,随机分为2组,对照组(n=89)接受传统粘接固位,观察组(n=93)接受改良粘接固位,考察治疗后1年的种植体周围骨吸收量、牙槽骨高度和厚度、粉红美观计分标准(pictorial view of pink esthetic score variables,PES)、改良菌斑指数(modified plaque index,m PLI)、改良出血指数(modified sulcus bleeding index,m SBI)和患者对种植义齿的满意度。结果:与对照组比,观察组的近和远中边缘骨吸收量明显降低(P<0.05),牙槽骨高度和厚度明显增高(P<0.05),舒适程度、咀嚼功能、语言功能、固位功能、美观功能、PES、m PLI和m SBI均有不同程度的改善(P<0.05)。结论:改良粘接固位较传统粘接固位在稳定种植体的骨支持和降低细菌感染方面具有明显的优势。

Objective： To investigate effects of the modified adhesion retention on the surrounding tissues of dental implant. Methods： 182 patients with tooth defects were randomly divided into 2 groups, The patients in control group（ n = 89） received the traditional retention, in the test group （n = 93） received modified adhesion retention. The bone loss at the near and far edges of the implant, alveolar bone height and thickness, the pictorial view of pink esthetic score variables （PES）, the modified plaque index （mPLI）, the modified sulcus bleeding index（mSBI） and the satisfaction were recorded and compared 1 year after treatment. Results： Compared with control group, the test group showed less bone loss（P 〈0.05）, more alveolar bone height and thickness（P 〈0.05）. The satisfaction of the comfort, chewing and language function, retention, esthetics, PES, mPLI and mSBI improved to varying degrees（ P 〈 0. 05 ）. Conclusion： The modified adhesion retention is more effective than the traditional retention in stabilizing the bone support of implant and reduce bacterial infection.