Dental Sealants. Part 1: Prevention First.

BACKGROUND: Tooth decay is still one of the most common chronic childhood diseases in the world, even if during the last five decades measures to combat dental caries have been developed, tested and applied in many populations. Preventive care and education programmes are essential to keeping children's mouths healthy. Within the prevention methods, dental sealants play an important role in preventing the onset and the development of dental cavities.