Final answer:
Turner's tooth is a dental condition characterized by enamel hypoplasia, which leads to discoloration, rough tooth surface, sensitivity, and increased risk of cavities.
Step-by-step explanation:
Turner's tooth, also known as enamel hypoplasia, is a dental condition that affects the development and structure of the teeth. It occurs due to damage to the enamel during tooth development, typically as a result of infection or trauma. The clinical signs of Turner's tooth include a yellow or brown discoloration, rough and pitted tooth surface, increased sensitivity, and an increased risk of cavities.