Sebastian Varsha Maria, Nasreen Farhat, Junjanna Pramod, Hassan Azeem, Rajasekhar Reshma, Maratt Venkidesh Hari
Department of Conservative Dentistry and Endodontics, MES Dental College, Malappuram, Kerala, India; Department of Conservative Dentistry and Endodontics, AECS Maaruti College of Dental Sciences and Research Center, Bengaluru, Karnataka, India, Phone: +91 9538157074, e-mail:
Department of Conservative Dentistry and Endodontics, AECS Maaruti College of Dental Sciences and Research Center, Bengaluru, Karnataka, India.
J Contemp Dent Pract. 2021 Oct 1;22(10):1098-1104.
To evaluate root reinforcement by four different sealers, namely, AH Plus, MTA Fillapex, Dia-ProSeal, and GuttaFlow 2, on endodontically treated teeth.
Sixty human mandibular premolars were randomly divided into four groups of 15 teeth each, according to the type of sealer used: Group I AH Plus, Group II MTA Fillapex, Group III Dia-ProSeal, and Group IV GuttaFlow 2. All samples were decoronated to a length of 13 mm from the apex. Root canals were prepared by OneShape, 25/0.06 taper file and obturated with a matching single cone gutta percha (25/0.06) using the above-mentioned sealers. All samples were subjected to load by universal testing machine until a point at which root fractured, which was recorded.
Teeth obturated with GuttaFlow 2 showed the maximum fracture resistance followed by AH Plus, Dia-ProSeal, and MTA Fillapex. There was no significant difference in fracture resistance between AH Plus and Dia-ProSeal.
Teeth obturated with GuttaFlow 2 sealer, which has powdered gutta percha particles, showed the highest fracture resistance.
According to the results obtained from this study, obturation of roots with GuttaFlow 2 increased the resistance of root canal-filled teeth to vertical root fracture.
评估四种不同的根管封闭剂，即AH Plus、MTA Fillapex、Dia-ProSeal和GuttaFlow 2，对根管治疗后的牙齿进行根管强化的效果。
60颗人类下颌前磨牙根据所使用的封闭剂类型随机分为四组，每组15颗牙：第一组使用AH Plus，第二组使用MTA Fillapex，第三组使用Dia-ProSeal，第四组使用GuttaFlow 2。所有样本均从根尖处截短至13毫米长度。使用OneShape 25/0.06锥度锉预备根管，并用匹配的单锥牙胶尖（25/0.06）和上述封闭剂进行充填。所有样本通过万能试验机施加负荷，直至牙根发生折断，记录折断点。
用GuttaFlow 2充填的牙齿显示出最大的抗折强度，其次是AH Plus、Dia-ProSeal和MTA Fillapex。AH Plus和Dia-ProSeal之间的抗折强度没有显著差异。
用含有牙胶粉颗粒的GuttaFlow 2封闭剂充填的牙齿显示出最高的抗折强度。
根据本研究获得的结果，用GuttaFlow 2充填根管可增加根管充填后牙齿对垂直根折的抵抗力。
