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目的：观察粘接性牙周夹板固定修复治疗慢性牙周炎的临床效果。方法：选择25 例（93 颗松动患牙）慢性牙周炎患者，记录牙周治疗前、采用粘接性牙周夹板固定修复后即刻、3、6 及12 个月的牙周状况，包括菌斑指数（PLI）、探针深度（PD）、牙龈出血指数（BOP）、牙龈指数（GI）和附着丧失（AL）的变化；检测牙龈龈沟液中卟啉单胞菌、血链球菌数量的变化；评估患者行固定夹板修复后对美观、舒适、咀嚼、发音等方面的满意度。结果：经牙周夹板固定修复后，各阶段的PLI、PD、GI和AL的指标值与治疗前相比差异均有统计学意义（P＜0.05），但固定后各阶段之间的牙周临床指标差异无统计学意义（P＞0.05）；牙龈卟啉单胞菌和血链球菌数的数量在固定后各阶段较治疗前均显著减少（P＜ 0.05），但固定期间各阶段比较差异不明显（P＞ 0.05）；固定修复后，各阶段患者的满意度均较高。结论：慢性牙周炎患者经完善的牙周基础治疗后，应用粘接性牙周夹板固定修复，能够有效固定患者松动患牙，恢复其咀嚼功能，有效地控制慢性牙周炎的发展。

英文摘要:

Objective:To investigate the clinical effect of adhesion periodontal splint fixed prosthesis in treatment of the chronic periodontitis.Methods:25 cases of chronic periodontitis patients (a total of 93 teeth loosen teeth) were included. The clinical parameters of periodontal status, including plaque index, probing depth, bleeding on probing tooth, gingival index and clinical attachment loss were recorded before treatment, immediately, 3, 6 and 12 months after splint treatment. The changes of P.gingivalis and S.sanguinis amounts in gingival crevicular fluid were observed. The satisfaction, including appearance, comfortable, mastication, pronunciation and hygiene were evaluated.Results:The difference of PLI, PD, GI and AL indexes between before and after periodontal splint all had statistical significance (P＜0.05). But the results showed that it had no statistical significance in clinical indicators during splinting.The absolute number of P. gingivalis and S.sanguinis significantly decreased after splinting compared with before treatment (P＜0.05). But there was no significant difference during the period after splinting (P＞0.05). The patients satisfaction in every stages after splinting were high.Conclusion:For chronic periodontitis patients, after periodontal treatment, adhesive periodontal splint treatment could effectively fix loosen teeth, obtaining good chewing function, and can efficiently ccontrol the chronic periodontitis development.

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