国际口腔医学杂志 ›› 2020, Vol. 47 ›› Issue (6): 711-716.doi: 10.7518/gjkq.2020101

• 综述 • 上一篇    下一篇

根管封闭剂影响牙根抗折性的研究进展

宁晨曦1,2(),李霞1,2()   

  1. 1.山西医科大学口腔医学院·口腔医院牙体牙髓病一科 太原 030001
    2.口腔疾病防治与新材料山西省重点实验室 太原 030001
  • 收稿日期:2020-04-09 修回日期:2020-07-10 出版日期:2020-11-01 发布日期:2020-11-06
  • 通讯作者: 李霞
  • 作者简介:宁晨曦,硕士,Email: 824233776@qq.com
  • 基金资助:
    山西省科技攻关项目(20150313010-3)

Research progress on the effect of root canal sealers on root fracture resistance

Ning Chenxi1,2(),Li Xia1,2()   

  1. 1. Dept. of Conservative Dentistry and Endodontics 1, School and Hospital of Stomatology, Shanxi Medical University, Taiyuan 030001, China
    2. Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Taiyuan 030001, China
  • Received:2020-04-09 Revised:2020-07-10 Online:2020-11-01 Published:2020-11-06
  • Contact: Xia Li
  • Supported by:
    Shanxi Province Science and Technology Research Project(20150313010-3)

摘要:

牙根折裂是根管治疗最严重的并发症之一,根管治疗中对牙体组织的切削、次氯酸钠冲洗液的使用、根管充填时对管壁的压力等均会增加牙根折裂的风险。根管封闭剂与牙本质及牙胶的黏结强度可在一定程度上影响牙根抗折性。临床常用的根管封闭剂主要包括氧化锌丁香酚类、玻璃离子类、树脂类、硅酸钙类及硅酸酮类等,不同类型的封闭剂与牙本质、牙胶等的黏结强度有一定差异,故对牙根抗折性也存在不同程度的影响。本文就不同类型根管封闭剂对牙根抗折性的影响进行综述,为临床选择合适的根管封闭剂提供一定的依据。

关键词: 根管封闭剂, 牙根折裂, 根管充填, 牙根抗折性

Abstract:

Root fracture is one of the most serious complications of root canal treatments. Cutting tooth tissue during root canal treatments, using sodium hypochlorite solution, and applying pressure on the wall of the root canal during filling can increase the risk of root fracture. Current research showed that the adhesive strength of root canal sealers with dentin and gutta-percha can affect the fracture resistance of roots to some extent. Several root canal sealers, such as zinc oxide-eugenol-based, glass ionomer-based, resin-based, calcium silicate-based, and silicon-based sealers, are clinically used. The bonding strengths of different types of sealers to dentin and gutta-percha are different. Their impacts on the fracture resistance of root are also different. This article reviews the effect of different root canal sealers on the fracture resistance of roots to provide a basis for a clinical choice of suitable root canal sealers.

Key words: root filling sealers, root fracture, root filling, fracture resistance

中图分类号: 

  • R781.05

表1

不同类型根管封闭剂对牙根抗折性的影响"

类型 代表产品 与牙根抗折性的关系
氧化锌丁香酚类 Pulp Canal Sealer、Pulpdent、NZOE 普通氧化锌类与牙本质和牙胶黏结强度极小,溶解性大,几乎不能增强牙根抗折性;NZOE对侧副根管有较好的充填效果,但与牙根抗折性的关系尚不明确
玻璃离子类 ActiV GP sealer 传统玻璃离子类临床使用较少;新型的Activ GP sealer与ActiV GP通过特殊涂层形成稳固的Monoblock,但对牙根抗折性影响尚不明确
树脂类 AH plus、Epiphany、RealSeal 与牙本质黏结性良好,一部分(如Epiphany)可与核心材料(如Resilon)形成一定程度的黏结,提高牙根抗折性
硅酸钙类 iRoot-SP 尺寸稳定,亲水性好,颗粒极小,在牙本质壁上有较好的渗透性,且含有氧化锆成分,利于增强牙根抗折性
硅酮类 GuttaFlow 加压触变性和固化后轻微膨胀使其对侧支根管的充填效果好,与牙本质和牙胶黏结性良好,三维充填效果好,增强牙根抗折性
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