iRoot SP和iRoot BP Plus的根尖封闭能力的体外比较

doi:10.13701/j.cnki.kqyxyj.2022.11.015

口腔医学研究 ›› 2022, Vol. 38 ›› Issue (11): 1076-1081.DOI: 10.13701/j.cnki.kqyxyj.2022.11.015

iRoot SP和iRoot BP Plus的根尖封闭能力的体外比较

谢镇焕, 蔡冬萍^*, 杨雪超^*

广州医科大学附属口腔医院牙体牙髓科·广东省口腔组织修复与重建工程技术研究中心·广州市口腔再生医学基础与应用研究重点实验室广东广州 510182

收稿日期:2022-05-03 出版日期:2022-11-25 发布日期:2022-11-22
通讯作者: *蔡冬萍,E-mail:970264487@qq.com;杨雪超,E-mail:xyang.gmu@gmail.com
作者简介:谢镇焕(1997~ ),男,广东人,硕士在读,研究方向:生物陶瓷材料、成骨、组织工程。

In Vitro Comparison of Apical Sealing Ability of iRoot SP and iRoot BP Plus

XIE Zhenhuan, CAI Dongping^*, YANG Xuechao^*

Department of Endodontics, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Recanstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou 510182, China

Received:2022-05-03 Online:2022-11-25 Published:2022-11-22

摘要/Abstract

摘要： 目的: 比较iRoot SP根充糊剂与iRoot BP Plus根尖倒充填材料的根尖封闭能力。方法: 收集因正畸原因被拔除的102颗下颌前磨牙,随机分为5组:A组为AH Plus热牙胶垂直加压充填组;B组为iRoot SP全糊剂充填组;C组为iRoot SP单尖法充填组;D组为iRoot SP单尖法充填加iRoot BP Plus倒充填;E组为iRoot SP单尖法充填加MTA倒充填。使用墨水进行染色实验,使用立体显微镜和扫描电子显微镜检测微渗漏的最长长度。结果: 在墨水染色实验中,A、B、C、D、E各组的微渗漏平均值分别为(0.65±0.73) mm、(0.33±0.35) mm、(0.32±0.20) mm、(0.24±0.32) mm和(0.23±0.31) mm。iRoot SP单尖法充填后有和无倒充填处理的根尖封闭能力无明显统计学差异(P=0.335)。iRoot SP全糊剂充填组中的微渗漏主要发生在糊剂内的裂隙或气泡中,倒充填iRoot BP Plus和MTA组的微渗漏主要发生在根管壁与倒充填材料之间。结论: iRoot SP根充糊剂与iRoot BP Plus根尖倒充填材料有着相似的根尖封闭能力。

关键词: iRoot BP Plus, iRoot SP, 根尖倒充填术, 根尖微渗漏, 根尖封闭性

Abstract: Objective: To compare the apical sealing ability of iRoot SP bioceramic root-filling sealers with that of iRoot BP Plus root-end filling materials. Methods: A total of 102 mandibular premolar teeth were extracted and assigned to five groups: Group A: AH Plus using the warm gutta-percha vertical condensation (WGPVC) technique; Group B: iRoot SP sealer-only; Group C: iRoot SP sealer using the single-cone obturation technique (SCO); Group D: iRoot SP using SCO plus iRoot BP Plus as the root-end filling material; and Group E: iRoot SP+ SCO+ mineral trioxide aggregate (MTA) as the root-end filling material. Dye penetration experiments were performed using the ink, and the longest length of microleakage was detected with stereoscopic microscope and scanning electron microscope. Results: The mean values of microleakage in Groups A, B, C, D, and E were (0.65 ±0.73) mm , (0.33±0.35) mm, (0.32±0.20) mm, (0.24±0.32) mm, and (0.23±0.31) mm, respectively. In the iRoot SP sealer-only group, microleakage occurred mainly in the fissures or bubbles within the sealer, and in the iRoot BP Plus and MTA root-end filling groups, microleakage occurred mainly in the area between the canal wall and material. Conclusion: The apical sealing ability of iRoot SP was similar to that of iRoot BP Plus.

Key words: iRoot BP Plus, iRoot SP, retrograde obturation, apical microleakage, apical seal

谢镇焕, 蔡冬萍, 杨雪超. iRoot SP和iRoot BP Plus的根尖封闭能力的体外比较[J]. 口腔医学研究, 2022, 38(11): 1076-1081.

XIE Zhenhuan, CAI Dongping, YANG Xuechao. In Vitro Comparison of Apical Sealing Ability of iRoot SP and iRoot BP Plus[J]. Journal of Oral Science Research, 2022, 38(11): 1076-1081.

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iRoot SP和iRoot BP Plus的根尖封闭能力的体外比较

In Vitro Comparison of Apical Sealing Ability of iRoot SP and iRoot BP Plus

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