Pit and fissure sealants are thin, protective coatings applied to the chewing surfaces of the back teeth (molars and premolars). These teeth often have deep grooves and pits that are difficult to clean, making them highly susceptible to decay. Sealants act as a barrier, preventing food and bacteria from settling in these grooves and causing cavities.
Thorough brushing and flossing helps remove food particles and plaque from the smooth surfaces of teeth, but toothbrushes can't reach all the way into the depressions and grooves to extract all food and plaque. While fluoride helps prevent decay and helps protect all the surfaces of the teeth, dental sealants add extra protection for the grooved and pitted areas.
Even with regular brushing and flossing, the back teeth can remain vulnerable due to their complex surface. Sealants offer an added layer of protection, particularly for children and teenagers, whose newly erupted permanent molars are at higher risk.
The tooth is thoroughly cleaned to remove plaque or food particles.
The tooth is dried, and cotton or other absorbent material is placed to keep it dry
A special gel is applied to roughen the surface, helping the sealant bond better.
The etching material is rinsed off and the tooth is dried again.
The liquid sealant is painted onto the enamel and hardened using a curing light.
Sealants are typically applied as soon as the first permanent molars erupt, around age 6, and again for the second molars around age 12.
While most commonly used in pediatric dentistry, adults without decay or fillings in molars can also benefit from sealants.
Sealants can last 5–10 years with proper oral hygiene and regular dental checkups.
Sealants are clear or slightly tinted and not noticeable. They don’t affect chewing or speaking.
Yes. Fluoride helps protect all tooth surfaces, while sealants focus specifically on deep grooves.
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