GuttaFlow常温流动牙胶充填系统在下颌第二恒磨牙C形根管中的充填效果

发布时间：2018-07-20 22:14

【摘要】：目的评价GuttaFlow常温流动牙胶充填系统在下颌第二恒磨牙C形根管中的充填效果。方法 60颗具有C形根管特征的下颌第二恒磨牙使用ProTaper冠向下法预备根管随机均分成三组,分别以GuttaFlow充填系统(A组)、连续波热牙胶充填法(B组)和冷侧压充填法充填根管(C组)。三组样本进行颊舌向和近远中向的RVG摄像,比较出现气泡、侧支根管和网状根尖三角的充填影像牙数。同时进行锥形束CT扫描,记录不同根截面形态上充填物与根管间出现空隙的牙数。结果 A组出现侧枝根管的几率大于C组(25.0%vs.0)(P0.05);A组在根下1/3出现空隙的牙数小于B、C组(P0.05)。结论 GuttaFlow常温流动牙胶用于充填下颌第二磨牙C形根时效果较用热牙胶和冷侧压充填好,尤其是在根下1/3具有良好的密合性。
[Abstract]:Objective to evaluate the effect of GuttaFlow flow gum filling system in C-shaped root canal of mandibular second permanent molar. Methods 60 mandibular second permanent molars with C-shaped root canals were randomly divided into three groups: Gutta flow filling system (group A), continuous wave hot gum filling (group B) and cold lateral pressure filling (group C). RVG images of buccal and lingual directions were performed in three groups to compare the number of teeth filled with bubble, lateral branch root canal and reticular root tip triangle. At the same time, conical beam CT scanning was performed to record the number of teeth with gaps between the filling and root canal. Results the incidence of lateral branch root canal in group A was higher than that in group C (25.0%vs.0) (P0.05). The number of teeth in group A with a gap of 1 / 3 under root was lower than that in group C (P0.05). Conclusion GuttaFlow flow gum is more effective in filling the C-shaped root of mandibular second molar than that of hot gum and cold lateral compression, especially at 1 / 3 below the root.
【作者单位】：南京医科大学口腔医学研究所;南京医科大学附属口腔医院第一门诊部;南京医科大学附属口腔医院牙体牙髓科;南京医科大学附属口腔医院影像科;
【基金】：江苏省高校优势学科建设工程资助项目(2011-137)
【分类号】：R781.05

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