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目的评价覆盖义齿中应用不同附着体对基牙牙周健康的影响。方法将2006年3月至2008年2月鞍山市铁东区口腔医院修复科行覆盖义齿修复患者24例分为磁性附着体组、根上附着体组和金属顶盖组,每组8例。分别于戴入义齿即刻(基线)、戴用后1、3、6、12个月测量基牙龈沟液量。结果 3组患者义齿戴入后各期龈沟液量与基线比较,差异均有统计学意义(P<0.05)。根上附着体组在各时间点检测的龈沟液量差异均有统计学意义(P<0.05);而金属顶盖组及磁性附着体组在各时间点检测的龈沟液量差异无统计学意义(P>0.05)。结论覆盖义齿中应用不同附着体对牙周组织健康有不同程度的影响,根上附着体的影响相对较大,建议临床多使用磁性附着体。
Objective To evaluate the effects of different attachments on periodontal health of abutments. Methods From March 2006 to February 2008, 24 patients with overdenture repaired in Tiedong District Stomatological Hospital of Tiedong District in Anshan City were divided into magnetic attachment group, root group and metal cap group, with 8 cases in each group. Respectively, wearing dentures immediately (baseline), measured 1, 3, 6, 12 months after wearing gingival crevicular fluid measurement. Results The gingival crevicular fluid volume was significantly different from baseline at each stage of denture wear in all three groups (P <0.05). There were significant differences in the amount of gingival crevicular fluid between the root attachment group and each time point (P <0.05), while there was no significant difference in the amount of gingival crevicular fluid between the metal cap group and the magnetic attachment group at each time point Significance (P> 0.05). Conclusion The application of different attachments in overdenture has different effects on the health of periodontal tissues. The effect of root attachment is relatively large. It is suggested that more clinical attachments should be used.