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| 桩冠修复牙齿根管再治疗临床病例分析 |
| Clinical analysis of root canal re-treatment used on post-core restored teeth |
| 投稿时间：2020-05-22 修订日期：2020-08-08 |
| DOI： |
| 中文关键词: 根管治疗；桩冠修复；根尖周炎 |
| 英文关键词: Root canal treatment; Post-core crown restoration; Periapical periodontitis |
| 基金项目: |
| 作者 | 单位 | 邮编 | | 白莲* | 北京优联眼耳鼻喉医院 | 100122 |
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| 中文摘要: |
| 目的 分析桩冠修复牙齿根管治疗失败的再治疗策略，探讨取桩和不取桩做根管再治疗的临床可行性。 方法 22颗根管治疗桩冠修复牙齿发生根尖周炎，经过治疗决策分析，18颗患牙去除冠和桩做根管再治疗，3颗患牙去除冠、穿通桩做根管再治疗，1颗患牙穿通桩冠做根管再治疗，择期修复，观察疗效。结果 观察12个月，22颗牙齿根管治疗全部成功，拆除修复体或穿通修复体治疗过程均未影响患牙再修复。结论 桩冠修复牙齿发生根尖周炎需综合分析多方面因素制定治疗方案；取出桩核和穿通桩核做根管再治疗都是临床可行的治疗方法。 |
| 英文摘要: |
| Objective: To analyze the re-treatment strategy of post-core restored teeth with failed root canal treatments, and to explore the clinical feasibility of root canal retreatment with or without removing the post-core systems.
Materials and Methods: A total of 22 teeth with root canal treatments and post-core crown restorations were diagnosed with periapical periodontitis. On account of treatment strategy analysis, 18 teeth were re-treated by removing the crowns and post-cores. 3 teeth were re-treated by removing the crowns and penetrating the post-cores while 1 tooth by penetrating both crown and post-core. Elective restoration and observation of efficacy were then carried out.
Results: After 12 months of observation, all 22 teeth were successfully treated. The treatment process of removing or penetrating the prosthesis didn’t affect the secondary restoration of the teeth.
Conclusions: The treatment of teeth with periapical periodontitis after post-core crown restorations requires comprehensive analysis of various factors to develop a treatment project. Removing and penetrating the post-cores for root canal retreatment are both clinically feasible treatment methods. |
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