Dens invaginatus is a well-known malformation of teeth, which probably results from an invagination of enamel organ into dental papilla during tooth development. The endodontic treatment of invaginated teeth may be challenging due to difficulties in accessing the root canals and also due to complex variations of internal morphology. This article presents the endodontic management and follow-up in a rare case of right mandibular second premolar with Oehlers' type III dens invaginatus. The result of cold pulp testing was positive for this tooth but it was associated to a sinus tract and periapical lesion. Herein, it is described the root canal therapy of this tooth combined with periapical surgery, emphasizing the importance of proper diagnosis and planning by using cone beam computed tomography (CBCT). This case report presents the proper periapical healing 6 months after the combination of nonsurgical and surgical treatments. It also shows that CBCT is an important auxiliary examination to avoid errors in diagnosis and subsequent treatment of dental anomalies.
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An unusual case of dens invaginatus on a mandibular second molar: a case report.
Restor Dent Endod
January 2025
Faculty of Dental Surgery, University of Strasbourg, Strasbourg, France.
The present case report describes the endodontic treatment of a type III B dens invaginatus (DI) in a three-rooted mandibular second molar since the invagination invades the root and extends apically. Clinical and cone-beam computed tomography examination of the mandibular second molar showed a broadened coronal morphology, DI, a third root, periapical radiolucency, and compression of a distal root canal by the invagination, which developed an atypical semilunar shape. The tooth was diagnosed with pulpal necrosis, symptomatic apical, and peri-invagination periodontitis.
View Article and Find Full Text PDFGuided intentional replantation of a mandibular premolar with type IIIIb dens invaginatus associated with peri-invagination periodontitis without root canal treatment- A case report.
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University of Sharjah, College of Dental Medicine, Department of Preventive and Restorative Dentistry, Sharjah, UAE.
Aim: This report highlights successful management of a rare case of a mandibular premolar with Oehler's Type IIIb Dens Invaginatus (DI) and peri-invagination periodontitis with guided intentional replantation (IR) without root canal treatment.
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Department of Stomatology, Beijing Friendship Hospital, Capital Medical University, Beijing, China.
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Article Synopsis
- - Dens invaginatus (DI) is a rare dental condition that occurs when the enamel organ grows into the dental papilla, making treatment and diagnosis difficult due to its unusual canal structure.
- - A case study examined a 12-year-old boy with DI affecting his maxillary lateral incisors, showcasing unique clinical and radiographic features.
- - The treatment involved sealing the invagination with flowable composite and using an etchant and bonding agent, highlighting a multidisciplinary approach that can improve patient outcomes in dental care.
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