Aspects of dentistry concerned with promoting good oral health and function by preventing or reducing the onset and/or development of oral diseases or deformities and the occurrence of oro-facial injuries.
The branch of dentistry concerned with the prevention of disease and the maintenance and promotion of oral health. ... (12 Dec 1998) ... 
Education and treatment devoted to and concerned with preventing the development of dental disease.
Type: Term Definitions: 1. a philosophy and method of dental practice that seek to prevent the initiation, progression, and recurrence of dental disease.