What is the term for a permanent tooth that exhibits a localized hypoplastic defect on its crown?

Explanation

Turner's tooth refers to a permanent tooth showing a localized hypoplastic deformity on the crown, often caused by trauma or infection affecting the developing tooth. Taurodontism involves enlarged pulp chambers, enameloma is a benign enamel tumor, and ghost teeth describe teeth with thin enamel and dentin seen in certain conditions.