A sealant is a thin layer of liquid resin flowed into the grooves of molars and sometimes premolars. The resin is bonded to the tooth and cured with a special light to form a hard resin barrier. This barrier prevents food particles and sugars from entering the hard to clean pits and grooves on the chewing surfaces of teeth. Sealants are a great preventative procedure and require no anesthetic to place.
Before sealants are placed, the tooth is verfied to be decay (cavity) free. The Diagnodent laser cavity detection device is often used for this verification.
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