Which of the following anomalies occur during the initiation and proliferation of tooth development?: (A) Amelogenisis imperfecta, (B) Dentinogenesis imperfecta, (C) Enamel hypoplasia, (D) Oligodontia
Answer is D. Lack of initiation may result in oligodontia or anodontia.
Abnormal initiation may result in supernumerary teeth.