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根管显微镜下应用超声技术取出根管内异物的效果分析

2017-04-18刘军冯丽娜

中国实用医药 2017年8期
关键词:效果

刘军+冯丽娜

【摘要】 目的 评价分析根管显微镜下应用超声技术取出根管内异物的临床效果。方法 72例因根管内异物就诊的患者, 随机分为观察组和对照组, 每组36例。观察组患者给予根管显微镜下定位+超声技术取出根管内异物, 对照组患者给予常规X线摄片定位+超声技术取出根管内异物。比较两组患者临床效果。结果 观察组36颗患牙, 成功取出异物32个, 取出率为88.89%;对照组36颗患牙, 成功取出异物25个, 取出率为69.44%。观察组根管异物取出率明显高于对照组, 差异具有统计学意义 (P<0.05)。结论 应用根管显微镜和超声技术取出根管内金属异物的方法安全有效, 值得应用于临床。

【关键词】 根管显微镜;超声技术;根管内异物;效果

DOI:10.14163/j.cnki.11-5547/r.2017.08.024

【Abstract】 Objective To evaluate clinical effect by dental operating microscopic ultrasound technique in intracanal foreign matter removal. Methods A total of 72 patients with intracanal foreign matter were randomly divided into observation group and control group, with 36 cases in each group. The observation group received dental operating microscopic positioning + ultrasound technique for intracanal foreign matter removal, and the control group received conventional X-ray positioning + ultrasound technique for intracanal foreign matter removal. Clinical effects were compared between the two groups. Results Among 36 involved teeth in the observation group, there were 32 cases with successful foreign matter removal, with removal rate as 88.89%. There were 25 cases with successful foreign matter removal among the 36 teeth in the control group, along with removal rate as 69.44%. The observation group had obviously higher foreign matter removal rate than the control group, and their difference had statistical significance (P<0.05). Conclusion Implement of dental operating microscope and ultrasound technique is safe and effective for intracanal foreign matter removal, and this method is worth clinical application.

【Key words】 Dental operating microscope; Ultrasound technique; Intracanal foreign matter; Effect

正常情况下的髓腔内充满了健康的牙髓组织, 当牙髓组织发生炎症或坏死等病变时, 治疗的措施通常是用细小的金属器械和药物在根管内进行清理和成形, 再用生物相容性材料进行充填封闭。在治疗过程中, 有时可能发生非治疗目的的外源性物质遗留在根管内, 常见的为根管治疗中发生的器械断离[1]。本文对根管显微镜下应用超声技术, 取出根管内异物的效果进行评价, 现报告如下。

1 资料与方法

1. 1 一般资料 选择2014年11月~2016年6月收治因根管内异物要求取出及根管再治疗患者72例(72颗患牙), 其中男31例, 女41例;年龄39~64岁, 平均年龄(55.3±5.5)岁;异物位置:上前牙12例, 下前牙2例, 上双尖牙9例, 下双尖牙6例, 上磨牙21例, 下磨牙22例。纳入标准: ①术前X 线确诊根管内存在异物; ②患牙具有保留价值;③患者无张口受限, 无全身疾病, 能耐受显微镜下操作。将全部患者随机分为观察组和对照组, 各36例。……

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