美学区慢性根尖周炎患牙即刻种植的临床效果

摘要

Aim:To explore the feasibility of immediate implant in sockets with chronic apical periodontitis in esthetic zone.Methods: Forty patients requiring extraction of single tooth in the maxillary esthetic zone were selected and allocated into 2 groups:20 patients with chronic apical periodontitis(test group) and 20 without chronic apical periodontitis(control group) received immediate implants placement with temporary crowns one day after teeth extraction.The differences in probing depth(PD) and Pink Esthetic Score(PES) before surgery and at 1 year of follow-up were compared between the 2 groups.Cone beam computed tomography(CBCT) was performed immediately after surgery and 1 year after surgery to evaluate the facial bone thickness measured at 0,4 and 8 mm apical to the implant platform.Results: After 1 year the implant survival rates of the 2 groups were both 95%.Concerning PD and PES examination,and the facial bone thickness at different levels,no statistical differences were found between the 2 groups(P>0.05).Conclusion: It is feasible to implant immediately in sockets with chronic apical periodontitis in esthetic zone.%目的:探讨美学区慢性根尖周炎患牙即刻种植修复的可行性.方法:选择要求拔除上颌美学区单颗牙的患者40例,拔牙位点患慢性根尖周炎20例(观察组),拔牙位点无炎症20例(对照组).2组均于拔牙后1 d行临时冠即刻修复.比较2组间术前与术后1 a探诊深度和红色美学评分结果以及术后即刻与术后1 a锥形束CT测量种植体肩台下方0、4、8 mm处的唇侧骨厚度.结果:术后1 a观察组与对照组的种植体留存率均为95%;2组在随访期间的探诊深度、各平面唇侧骨厚度的变化以及红色美学评分结果的差异均无统计学意义(P>0.05).结论:美学区慢性根尖周炎拔牙位点行即刻种植具有可行性.