Abstract:

Objective: To summarize the application of bony fenestration technique in the root area to remove the low-positioned dental root fragments. Methods: Develop inclusion and exclusion criteria, and select 30 cases of low-positioned dental root in our hospital's stomatological department from January to December 2020, which the root was removed through bony fenestration. The time of root extraction was recorded. All the patients were followed up for 3 months to 1 year to compare the preservation of alveolar ridge height and width before and after surgery. Results: All patients successfully removed the root,and the height and width of alveolar ridge were well preserved. Conclusion: The bony fenestration technique is a good method to remove the low-positioned dental root fragments, which is worthy of clinical promotion.

Key words: low-positioned dental root, bony fenestration, tooth extraction, alveolar ridge

摘要：

目的：探讨根方骨开窗术在拔除低位断根中的应用。方法：制定纳入排除标准，选取2020年1月至12月于我院口腔科就诊的30例低位断根病例，采取根方骨开窗术拔除断根，记录取断根用时，术后随访3个月至1年，对比术前、术后患者牙槽嵴高度及宽度的保留情况。结果：所有患者均顺利拔除断根，牙槽嵴高度及宽度保存较好。结论：根方骨开窗术是一种较好的拔除低位断根的方法，值得临床推广。

关键词: 低位断根, 骨开窗术, 拔牙, 牙槽嵴

CLC Number: 

• R782