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
How many days took to form 1mm layer of enamel:
assistant
The correct answer is  Mean of daily rate of enamel formation – 3.5µm/day to 4µm/day
So to form 1mm thickness total approximately 240 days needed.