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
The health promotional phase in public health is between
the years:
assistant
The correct answer is  Disease control phase: 1880 - 1920
Health promotional phase: 1920 - 1960
Social engineering phase: 1960 - 1980
Health for all phase: 1981-2000

Essentials of preventive and community dentistry 
Soben Peter 
5th edition