Dentist in Finchley, London N3
General » Fissure 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:
- the shape of each tooth
- how much a child’s teeth have already decayed
- how much decay a sibling has had(because there may be family patterns in tooth decay)
- a child’s general health
What are the benefits
- Fissure sealants protect teeth 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.
What will my dentist do?
The dentist will:
- Clean the tooth thoroughly with a brush or rubber polisher
- Dry the tooth and keep it dry with cotton wool rolls 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 on
- Trim the sealant if necessary
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