title: Treatment of a hypertaurodontic maxillary second molar in a patient with 10 taurodonts: a case report.
abstract: BACKGROUND
  Taurodontism is an aberration in tooth morphology characterized by vertically enlarged pulp chambers, apical displacement of pulp floors, and short roots. So far in the literature, no more than 8 taurodonts have been reported in 1 patient. The aim of this case report was to describe the endodontic management of a hypertaurodont maxillary second molar and to present a rare case with 10 taurodonts in a black man with a biometric analysis using cone-beam computed tomographic imaging.
  
  
  METHODS
  An 18 year-old black man was referred to the postgraduate endodontic clinic for emergency treatment. The patient's medical history was noncontributory. Tooth #2 had lingering pain in response to the cold test and was positive to both percussion and palpation. Radiographic examination showed the characteristics of taurodontism and periapical radiolucency around the root apices of tooth #2. Tooth #2 was diagnosed with symptomatic irreversible pulpitis and symptomatic apical periodontitis. The tooth was endodontically treated in 2 appointments. A panoramic radiograph showed multiple taurodontism. At the follow-up, a cone-beam computed tomographic scan was taken to further evaluate and diagnose taurodontism. Ten molars showed taurodontism including 7 hypertaurodonts, 2 mesotaurodonts, and a hypotaurodont. High variations of root canal anatomy were observed among taurodonts including maxillary and mandibular hypertaurodonts with C-shape canals.
  
  
  CONCLUSIONS
  The present case describes 10 taurodonts in a patient with no specific syndromes and endodontic treatment of a hypertaurodont maxillary second molar. Cone-beam computed tomographic imaging may be useful in the evaluation and management of the anatomic complexity of roots and root canals of taurodonts.
authors: Division of Endodontics, College of Dental Medicine, Columbia University, New York, New York.
authors: Amr
authors: A
authors: Radwan
authors: Division of Endodontics, College of Dental Medicine, Columbia University, New York, New York. Electronic address: sgk2114@columbia.edu.
authors: Sahng G
authors: SG
authors: Kim
mesh_terms: D000293:Adolescent; D054893:Cone-Beam Computed Tomography / Q000379:methods; D003786:Dental Pulp Cavity / Q000002:abnormalities* / Q000000981:diagnostic imaging; D005500:Follow-Up Studies; D006171:Gutta-Percha / Q000627:therapeutic use; D006801:Humans; D008297:Male; D008963:Molar / Q000002:abnormalities* / Q000000981:diagnostic imaging; D010485:Periapical Periodontitis / Q000000981:diagnostic imaging; D011671:Pulpitis / Q000000981:diagnostic imaging; D011862:Radiography, Panoramic / Q000379:methods; D012387:Root Canal Filling Materials / Q000627:therapeutic use; D018915:Root Canal Preparation / Q000379:methods; D014092:Tooth Root / Q000002:abnormalities* / Q000000981:diagnostic imaging
chemical_list: D012387:Root Canal Filling Materials; D006171:Gutta-Percha
keywords: C-shape; Cone-beam computed tomographic imaging; endodontic treatment; hypertaurodont; taurodontism