Abstract
Background: Taurodontism is considered a variation in tooth morphology associated with several syndromes.
 Case Presentation: This report presents a case of taurodontism associated with drug reaction with eosinophilia and systemic symptoms (DRESS) syndrome. A 5-year-old girl, with a history of DRESS syndrome, was referred to the department of pediatric dentistry at the School of Dentistry, Shahid Beheshti University of Medical Sciences, with a chief complaint of toothache. Clinical and Radiographic examinations showed deep carious lesions with large pulp chambers and short roots present in relation to second mandibular primary molars. Routine pulpectomy could not be performed as a result of complex tooth morphology. Instead, we played a deep pulpotomy with calcium-enriched mixture cement agent, and the crowns were restored. Follow-up observations after six and 12 months showed that the tooth was asymptomatic, clinical and radiographic examinations revealed no swelling, no sensitivity to percussion and palpation.
 Conclusion: In patients with carious taurodont deciduous teeth, deep pulpotomy with biomaterials such as calcium-enriched mixture cement can result in favorable outcomes.
Highlights
Case Presentation: This report presents a case of taurodontism associated with drug reaction with eosinophilia and systemic symptoms (DRESS) syndrome
In patients with carious taurodont deciduous teeth, deep pulpotomy with biomaterials such as calcium-enriched mixture cement can result in favorable outcomes
Taurodontism is considered a variation in tooth and root canal system morphology that usually occurs in molars and occasionally in premolars 1
Summary
Taurodontism is considered a variation in tooth and root canal system morphology that usually occurs in molars and occasionally in premolars 1. Clinical examination showed several carious lesions in primary molars with extreme sensitivity to cold and percussion on teeth 75 and 85. Radiographic examination revealed deep carious lesions with large pulp chambers and short roots in relation to teeth 75 and 85 (Figure 1a,b). Management of two taurodont primary molars with pulp involvement using calcium-enriched mixture cement pulpotomy in a patient with accompanied drug reaction with eosinophilia and systemic symptoms syndrome: a case report. The panoramic view showed that all primary molars had large pulp chambers and short roots, suggesting taurodontism. First primary maxillary molars were extracted because of root resorption and abscess, and two band and loops were used for space maintenance After six months, both mandibular second primary molars were asymptomatic and clinical examination revealed no swelling, no sensitivity to percussion or palpation. Radiographic examinations showed no pathological changes (Figure 3a,b)
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