HOSA Dental Terminology Practice

Which condition is associated with improperly developed enamel?

1. Fusion of teeth

2. Hypodontia

3. Dentinogenesis imperfecta

4. Amelogenesis imperfecta

The correct answer is: Amelogenesis imperfecta

Amelogenesis imperfecta is a genetic condition that directly involves the improper development of enamel, leading to an abnormal enamel structure. This disorder results in inadequate formation of enamel during the tooth development stage, which can manifest in various ways such as enamel that is thin, discolored, or even missing in some areas. It's important to note that this condition can lead to a range of dental issues including increased susceptibility to cavities and sensitivity due to the lack of protective enamel. The other conditions listed do not primarily affect enamel development in the same way: - Fusion of teeth refers to a condition where two adjacent teeth unite, impacting tooth count and alignment, but not specifically the enamel quality. - Hypodontia is a developmental condition characterized by the absence of one or more teeth, which relates more to the number of teeth rather than the condition of the enamel. - Dentinogenesis imperfecta involves the formation of dentin, not enamel, and results in teeth that are discolored and prone to wear, but does not impact enamel development directly like amelogenesis imperfecta does. Thus, the hallmark of amelogenesis imperfecta is its direct relation to the issues surrounding enamel formation.