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SEALANTS

What are fissure sealants?

Fissures are grooves usually found in the chewing surfaces of back teeth. They are difficult to keep clean so there is more risk of decay. Fissures can be sealed with tough plastic to protect them.

The plastic is runny at first but sets hard like paint. Sealants may be see through or tooth coloured. They are normally only used for children and only on permanent teeth, not on milk teeth.

Your dentist will discuss whether your child needs sealants. If they do, you will also have to agree which teeth need to be sealed. The need for sealants will depend on:

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What will my dentist do?

• The shape of each tooth
• How much a child’s teeth have already decayed
• How much decay a brother or sister has had (because there can be family patterns in tooth decay)
• A child’s general health (because general health problems can make it especially important to avoid dental problems)

• Clean the tooth thoroughly with a rotating brush or rubber
  polisher
• Dry the tooth and keep it dry by putting cotton wool round
  it and using suction
• Dab a mild acid on the tooth and leave it for a short time
  to make the tooth surface rough (this will not hurt at all)
• Wash and dry the tooth by blowing water and then air onto it
• Paint the plastic onto the fissures
• Harden the plastic by pointing a bright light at it
• Check the tooth is comfortable to bite and trim the sealant

What are the benefits?

Fissure sealants protect from decay.

They can last for years or if they fall out or wear out, they can usually be replaced if there is no decay underneath.