Non-surgical management of dens invaginatus type IIIB in maxillary lateral incisor with three root canals and 6-year follow-up:A case report and review of literature

作     者：Suraj Arora Gurdeep Singh Gill Shahabe Abullais Saquib Priyanka Saluja Suheel M Baba Shafait Ullah Khateeb Anshad M Abdulla Shashit Shetty Bavabeedu Ahmed Babiker Mohamed Ali Mohamed Fadul A Elagib 

作者机构：Department of Restorative Dental SciencesCollege of DentistryKing Khalid UniversityAbha 61421Saudi Arabia Department of Conservative Dentistry and EndodonticsJCD Dental CollegeSirsa 125055India Department of Periodontics and Community Dental SciencesKing Khalid UniversityAbha 61421Saudi Arabia Department of Pediatric Dentistry and Orthodontic SciencesKing Khalid UniversityAbha 61421Saudi Arabia 

出 版 物：《World Journal of Clinical Cases》 (世界临床病例杂志)

年 卷 期：2022年第10卷第33期

页      面：12240-12256页

核心收录：

学科分类：1003[医学-口腔医学] 100302[医学-口腔临床医学] 10[医学] 

基　　金：Supported by Deanship of Scientific Research at King Khalid University Abha Saudi Arabia through the Small Groups Project No. RGP. 1/351/43 

主　　题：Dens invaginatus Maxillary lateral incisor Three root canals Root canal Anatomy Treatment Case report 

摘      要：BACKGROUND The presence of dens invaginatus(DI)complicates treatment of any tooth,from diagnosis to access cavity and biomechanical preparation and *** of successful non-surgical management of DI type IIIB in maxillary lateral incisor are ***,we report such a case,with three root canals and a long *** SUMMARY A 13-year-old female patient presented with mild pain in the maxillary right lateral incisor(#7)for 10-15 *** examination,the tooth was slightly rotated,with slight tenderness on percussion and grade I mobility but with no caries,pockets or restorations and non-vital pulp(via vitality tests).Radiographic examination revealed unusual configuration of the tooth’s root canals,with an enamel-lined invagination extending to the apex,suggesting the possibility of DI Oehler’s type IIIB and a periapical *** the access cavity lingually revealed one distinct buccal orifice and two distinct palatal orifices;under higher magnification of a dental operating microscope(DOM),the mesio palatal and disto-palatal orifices were observed as connected by a C-shaped *** root canals were prepared with hand K-files following a step-back technique,and obturated using a combination technique of lateral condensation and vertical *** the 6-year follow-up,the patient was asymptomatic,and the periapical radiography displayed significant healing around the apical end of the *** Proper knowledge of unusual root canal anatomy is required in treating *** methods of root canal treatment can successfully resolve such complex cases,facilitated by DOM and cone-beam computed tomography.