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Pit & Fissure Sealants
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Q. What are fissure sealants?
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Fissure sealants are
plastic coatings that help to prevent tooth decay when applied
to the chewing surfaces of teeth.
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The chewing surfaces of the molar and
pre-molar permanent teeth are pitted and grooved with lines
and fissures, which are difficult to clean. Decay-causing
bacteria thrive in these areas.
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When a fissure sealant is placed into
these grooves and fissures, it shields them from plaque and
food particles. This reduces the risk of decay.
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The sealant is applied to a dry tooth
and is then chemically bonded to it.
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The sealano It is a painless and
quick treatment. No local anaesthetic is needed.
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Sealants are tooth-coloured and are
quite unobtrusive.
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They can last for many years
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Q. When
should a tooth be sealed?
- A tooth should be sealed soon
after it has erupted.
- A newly erupted tooth is not yet
fully calcified (hardened) and is susceptible to decay.
- The sooner it can be protected by
a fissure sealant, the better.
- These sealants will be checked by
your dentist every six months, as part of the
professional oral care program.
- Sealants can be repaired or
replaced if necessary.
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Q.Which teeth should
be sealed?
- The permanent molars are usually the
teeth to be sealed.
- Where pre-molar teeth are deeply
grooved or pitted, they should also be treated.
- As much as 90% of all dental caries in
schoolchildren occurs in pits and fissures. The teeth at
highest risk by far are the permanent first and second
molars.
- Baby teeth are not usually treated in
this way. However, if the baby teeth are very decayed, it is a
sign that the child is susceptible to tooth decay.
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