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Tooth
Decay begins when the protein of your saliva combines with the sugars
and carbohydrates of food particles left on and between your teeth.
This combination creates plaque, which
eats away at the hard enamel shell around your tooth. Left unchecked,
a hole will be created in the enamel and a cavity will rapidly form
in the softer dentin which lies under the enamel. If the cavity
is caught in time, usually a Filling
will correct the problem. Larger cavities may require a Crown.
However, if nothing is done and the decay spreads, the sensitive
pulp (nerve) may become involved, often causing an Abscess,
and Pulp Therapy, Root
Canal Therapy, or Extraction may
be required.
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Cavities
that start between the teeth can't be seen, but they can be
detected on an x-ray.
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No cavity
on previous x-ray
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In the x-ray
above (on the left), we showed you where a cavity has formed since
the last x-ray was taken. There is another cavity shown in the x-ray
on the left. Can you find it? It's difficult for the untrained eye
to spot. If you think you know where it is, send an e-mail to webmaster@drpaul4kids.com
and we will tell you if you're right! (Hint: It's not the left edge
of the top left tooth. That's just the edge of the frame around
the x-ray).
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