替硝唑治疗乳磨牙大型慢性根尖周病

Tinidazole in the treatment of deciduous molars with chronic large periapical diseases

目的：评价替硝唑氧化锌丁香油糊剂治疗乳磨牙大型慢性根尖周病的疗效，探讨最佳的保存乳磨牙慢性根尖周病的方法。方法：常规开髓、清理根管、彻底冲洗并根管消毒封药。１周后，用替硝唑氧化锌丁香油糊剂充填根管，不强求致密充填。结果：随访观察１２个月，对其疗效进行比较。８２颗患牙中７６颗有效，成功率达９２．６８％。结论：替硝唑具有良好的抗菌作用，治疗乳磨牙大型慢性根尖周病疗效显著，操作简单，易于完成。

Objective: To evaluate tinidazole and zinc-oxide eugenol cement (TZC) for delicious molars with large chronic periapical diseases and to find the best method for preserving the delicious molars with chronic periapical diseases. Methods: One week after shaping access cavities ,cleaning and debriding root canals, flushing canals thoroughly, and completing intracanal medications, canals were filled with TZC, and they did not need to be filled tightly. Results: After being followed up for 12 months, the effectiveness was compared. Eighty-two molars were treated; the effective rate was 92. 68%. Conclusion: Tinidazole has good antibacterial effect, and its effectiveness is significant in the treatment of chronic periapical disease. The method is simple and easy to perform.