A dental sealant is made of a special plastic material that is usually either white in colour or clear. It is molded to the tops of teeth which have deep grooves or pits as a means of protection.
The idea is that the plastic will cover the pits in the tooth – which are also called fissures – so that sugars, acids, and bacteria cannot get into them and decay the tooth. Dental sealants act as a physical barrier between destructive bacteria and the vulnerable parts of teeth, preventing cavities and adding an extra level of protection.
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