开窗减压术合并改良间隙保持器治疗儿童大型含牙囊肿

目的:评价开窗减压术及改良间隙保持器对儿童大型含牙囊肿的治疗效果。方法:对11例大型含牙囊肿进行开窗减压术,囊液持续引流,;囊腔内碘仿纱条填塞,1周后佩改良间隙保持。随访6~24个月。结果:11例囊肿基本消失,新骨形成。1例患者需额外的正畸治疗。囊腔内的牙全部萌出或明显萌出趋势。所有患者囊肿未有复发。结论:开窗减压术合并改良间隙保持器是一种安全、可靠、效果确实的治疗儿童大型含牙囊肿的方法。不仅恢复患者的美观及功能,还能帮助儿童因失牙引起的心理问题。

Decompression Combined with Reformed Space Maintainer: A Conservative Approach for Treating Dentigerous Cyst in Children with Mixed Dentition

Objective: To evaluate the efficacy of the decompression associated with reformed space maintainer for the large dentigerous cysts in children. Methods: 11 patients with large dentigerous cysts were underwent decompression operations. Cystic fluid was evacuated continuously. The cyst cavity was kept open and packed with iodoform gauze. The patients wear the reformed space maintainer after 1 week. Patients were followed-up for 6-24 months. Results: 11 cases of cysts were disappear and the bone defect ossified. 1 of 11 patients needed additional orthodontic treatment. Embedded permanent teeth of all patients erupted into dental arch or evidently moved upward. No patients were reported the sign of persistence or the recurrence of cyst. Conclusion: The decompression associated with reformed space maintainer is a safe, reliable, effective method in treating large dentigerous cyst in children. This not only can satisfactory restore esthetics and function, but also prevents the children from psychosocial trauma.