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目的:评价根尖周感染患牙拔除后即刻种植术的临床治疗效果,探讨初期稳定性在即刻种植的重要性。方法:48例患者(男27例,女21例,年龄47.1±1.9岁),56颗根尖周感染患牙拔除后即刻种植。修复后随访1年,观察种植体稳定性、种植体周围炎及X线变化,对临床疗效进行评价。结果:56颗种植体,1颗由于邻牙根尖周感染形成脓肿,2个月后造成种植体脱落,1颗因术中发现患牙拔除后无可用的种植骨量,充填骨粉后放弃即刻种植,其余病例临床愈合良好,可正常行使功能,1年后随访,临床治疗效果良好,成功率96.4%,种植体周围骨吸收(0.41±0.22)mm。结论:在获得良好的初期稳定性的前提下,炎症期拔牙后即刻种植可以获得满意的临床疗效。
OBJECTIVE: To evaluate the clinical effect of immediate perioperative implant surgery after root excision infection, and to investigate the importance of initial stability in immediate implantations. Methods: Forty-eight patients (27 males and 21 females, age 47.1 ± 1.9 years) were implanted immediately after tooth extraction. After 1-year follow-up, the implant stability, peri-implantitis and X-ray changes were observed, and the clinical efficacy was evaluated. Results: 56 implants, 1 abscess caused by periapical appendectomy, 2 months later, the implants fell off. One implants were found to have no available bone mass after tooth extraction. . The rest of the cases were clinically well-healed and could function normally. After one year of follow-up, the clinical effect was good with a success rate of 96.4% and bone resorption around the implant (0.41 ± 0.22) mm. CONCLUSIONS: With good initial stability, satisfactory clinical efficacy can be obtained by implanting immediately after tooth extraction in the inflammatory phase.