Sealants are a clear, acrylic-like material that helps shield decay-causing bacteria from the chewing surfaces of the back teeth. Once the six-year molars (the first permanent back teeth) appear, it is best to apply sealants as soon as possible.
Sealants are applied only to the chewing surfaces of back teeth. Sealants are not meant for areas be- tween back teeth or front teeth. Teeth that already have fillings or detectable decay are not sealed. Adults may also have sealants placed on the chewing surfaces of non-restored back teeth.
Over the past two decades, scientific research on pit and fissure sealants has established its efficacy as a primary preventive procedure and its importance in