system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Neonatal lines are seen in
assistant
The correct answer is  Because of undisturbed and even development of the enamel prior to birth, perikymata are absent in the occlusal. enamel of deciduous teeth, whereas they are present in the postnatal cervical parts.