Health behavior is something we all are familiar with but when it comes to explaining our understanding about the same it is still very much gloomy. The theoretical models can form the base and can be used to unfold several aspects of preventive behavior at the primary, secondary and tertiary levels. The science and art of using health behavior theories reflect an amalgamation of approaches, methods and strategies from social and health sciences. Theory is the core effective public health approach that seeks to make change to the environment, which basically will escalate health behavior and successfully will bring about the health of the people. An understanding of health behaviors and the context in which they occur is the core essence for successful Public health programs. With a working knowledge of current health modification theories, oral health professionals are better equipped to provide educational services for patients and communities and thereby reducing the burden oforal diseases.