Taurodontia is caused by

Taurodontia is caused by

• A. Disorganisation of the calcified tissues
• B. Enamel hypoplasia
• C. Metabolic bone disease
• D. Trauma during eruption

Answer: (A)

Taurodontia arises from abnormal root formation due to a disturbance in how the root sheath develops. Specifically, the Hertwig’s epithelial root sheath fails to invaginate at the correct level during odontogenesis, so the pulpal chamber becomes enlarged and the furcation sits farther apically, with relatively short roots. This is a root-development issue, not a defect in enamel or bone metabolism, nor a consequence of eruption trauma. The result is the characteristic “bull” or elongated pulp chamber appearance.

Taurodontia arises from abnormal root formation due to a disturbance in how the root sheath develops. Specifically, the Hertwig’s epithelial root sheath fails to invaginate at the correct level during odontogenesis, so the pulpal chamber becomes enlarged and the furcation sits farther apically, with relatively short roots. This is a root-development issue, not a defect in enamel or bone metabolism, nor a consequence of eruption trauma. The result is the characteristic “bull” or elongated pulp chamber appearance.