ADA NBDE National Board Dental Part II

Answer: A - Dentin dysplasia is an autosomal dominant. The condition shows atypical dentin and abnormal pulpal morphology with normal enamel and can affect both primary and permanent teeth. The condition has two patterns, type I and type II. Type I, the most common, are “rootless teeth” and type II resembles dentinogenesis imperfecta. Patients with this condition are predisposed to periodontitis so constant and meticulous oral hygiene is a must.