Dental morphological traits are of particular importance in the study of phylogenetic relationships and population affinities. One of the most important abnormalities in tooth morphology is Taurodontism (“Bull tooth”) defined as a change in tooth shape caused by the failure of Hertwig's epithelial sheath diaphragm to invaginate at the proper horizontal level. An enlarged pulp chamber, apical displacement of the pulpal floor, and no constriction at the level of the cementoenamel junction are the characteristic features. Taurodontism has a very low incidence in primary dentition and very few cases have been reported in the literature. Restoration of carious tauro teeth is a challenge due to its complex morphology and challenge is greater if such teeth are pulpally involved and their permanent successors are congenitally missing, as it requires special care in handling and identifying the canal obliteration. Reported here is a rare case of a five year old patient with taurodontism involving the both mandibular primary molars with the congenital absence of bilateral mandibular second premolar tooth buds, and not associated with any other anomalies or syndromes.
Primary teeth, taurodontism, bull tooth, pulpectomy
