美學(xué)區(qū)單顆牙即刻種植即刻與延期修復(fù)美學(xué)效果的臨床研究
[Abstract]:Objective to observe and analyze the aesthetic effect of immediate and delayed restoration of a single tooth in maxillary aesthetic area by clinical case study. To explore whether the choice of temporary repair timing has a significant impact on the aesthetic effect of final restoration. Methods 20 cases of maxillary anterior teeth with a single missing tooth were immediately implanted with implants. The experimental group (n = 9) was treated with implant-supported temporary crown for 3 ~ 4 months. In the control group, 11 cases were treated with delayed restoration of temporary crown gingival shape. The patients were put into Maryland Bridge 3 ~ 4 months after operation for second stage operation, and implant supported temporary crown for gingival reconstruction, about 2 months later for permanent crown restoration. Implant success rate, red aesthetic score (pink esthetic scorepes) and patient satisfaction were used to evaluate the therapeutic effect. Results the success rate of implant was 95%. After permanent repair for 4 months, fistula appeared on the labial side and bone resorption of 2mm was found in the proximal implant. In terms of red aesthetics, the average value of PES in the experimental group was 8.50 鹵1.20, and that in the control group was 8.23 鹵0.97.The difference between the two groups was not statistically significant (P0.05), no matter in the experimental group or in the control group, there was no significant difference between the two groups (P0.05). The aesthetic scores of the experimental group (8.78 鹵1.20) and the control group (8.64 鹵0.92) were significantly higher than those of the control group (8.22 鹵1.20) and the control group (7.82 鹵0.87) (P0.05). The second is the height of the labial gingiva, the curve of the labial gingiva and the protruding degree of the root, and the aesthetic score of the color quality of the gingiva is the highest. The satisfaction rates of the patients in the experimental group were 88.89% and 100, respectively, and those in the control group were 81.82% and 63.64%, respectively. Conclusion the effect of immediate restoration with temporary crown on gingival preservation or reconstruction is better than that of delayed restoration of gingival shape with temporary crown, and the effect of immediate restoration is better than that of delayed restoration of gingival shape with temporary crown, and the effect of immediate restoration is better than that of delayed restoration of gingival shape with temporary crown. But the difference between the two is not statistically significant, the aesthetic effect after 3 months of restoration is better than that of the day after restoration, and the difference between the two is statistically significant. Patients with immediate repair were more satisfied with the efficacy and course of treatment than those with delayed repair, but the difference was not statistically significant.
【學(xué)位授予單位】:暨南大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2014
【分類號】:R783.6
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