上颌前牙单牙即刻种植术后即刻修复和延期修复的临床效果比较

Abstract

Abstract: Objective To compare the clinical effects of single implant crowns in the anterior maxilla following immediate placement with immediate prosthesis or delayed prosthesis. Methods 58 patients within single implant crown in the anterior maxilla were included in the study. Among them, 28 patients received immediate implant placement and immediate prosthesis (II group), and 28 patients were given immediate placement and delayed prosthesis (ID group).The implant survival rate, pink esthetic score(PES), white esthetic score(WES), marginal bone resorption surrounding implants and patients satisfaction were compared between two groups 3 months,6 months and 12 months after final restoration. Results The implant survival rates of the two groups both reached 100%. The vertical bone resorption at distal sites at 3 months in II group was (0.34±0.18)mm, and in ID group was (0.45±0.13)mm, and the difference was statistically significant (P<0.05), but at 6 months and 12 months it showed no statistical difference between two groups. Horizontal bone resorption:At 12 months, the bone resorption at MP1 site in II group was (0.67±0.16) mm, (0.65±0.15) mm in ID group, at MP2 site in II group it was (0.54±0.14) mm, (0.56±0.12) mm in ID group, and there was no significant difference at MP1 and MP2 sites between the two groups. PES:The scores of PES at permanent restoration, 3 months, 6 months and 12 months were (9.69±1.04), (10.00±1.03), (10.59±1.20), (10.79±0.98), which were all significantly higher than those in ID group (P<0.05). WES and patients’ satisfaction at 12 months in II group were both higher than the other group, and there were statistical differences in them between the two groups. Conclusion There is no statistical difference in the marginal bone resorption of implants and implant survival rate between two groups, but in terms of aesthetic effect，immediate prosthesis is superior to delayed prosthesis, and patients satisfaction is also higher.

Key words: anterior of maxilla, single tooth, immediate prosthesis

CLC Number:

R783.4

References 20

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Comparison of the clinical effects of single implant crowns in the anterior of maxilla following immediate implant placement with immediate prosthesis or delayed prosthesis

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