Dental sealants are a preventive dental treatment used primarily in children and teenagers, but they can also be beneficial for adults in certain circumstances. They are a type of protective coating applied to the chewing surfaces of the back teeth, specifically the molars and premolars, which are most vulnerable to decay.
These teeth have numerous small grooves and pits (also known as fissures) where food particles and bacteria can accumulate, leading to the development of cavities. Regular brushing and flossing can sometimes not reach these tiny spaces, making them ideal sites for decay.
Dental sealants are made from a plastic material that is applied to these chewing surfaces. The sealant quickly bonds into the depressions and grooves of the teeth, forming a protective shield over the enamel. This effectively "seals out" food and bacteria, reducing the risk of decay.
The process of applying dental sealants is simple, painless, and quick. The teeth are first cleaned and dried. Then, an acidic solution is applied to the teeth to roughen them up, which helps the sealant bond more effectively. The teeth are then rinsed and dried again, and the sealant is painted onto the tooth enamel, where it bonds directly to the tooth and hardens. Sometimes, a special curing light is used to help the sealant harden.
Dental sealants are a valuable tool in preventing tooth decay, especially in children and teenagers. They can last for several years before a reapplication is needed. Regular dental check-ups are necessary to monitor the condition of the sealants and ensure they're still offering the best possible protection against decay.
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