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How
does plaque cause tooth decay?
What is a cavity?
How can I prevent
cavities from developing?
How often should I visit
the dentist? |
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The reason we brush and floss is to remove plaque, a colorless,
sticky film of bacteria that constantly forms on teeth. Plaque is
one of the main causes of tooth decay. Dentists use the word “caries”
to describe tooth decay.
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How does plaque cause tooth
decay?
The bacteria in plaque react with sugar in the foods we eat to produce
acids that can attack and weaken tooth enamel (the hard, protective
covering on our teeth), opening the way for cavities to develop.
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What is a cavity?
A cavity is the space inside a tooth that remains once decay is
removed. There are three different places where a tooth can experience
decay.
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Decay on the biting surfaces of
the teeth occurs when plaque becomes trapped in the grooves. This
is most common in children because they often miss these areas when
brushing. |
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Decay between the teeth occurs when plaque
is left to build up on these hard to reach surfaces. These areas
cannot be reached by a toothbrush alone and may develop if you
do not floss, or clean between your teeth, regularly.
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Decay at the root surfaces of the teeth occurs
if you have suffered gum recession or bone loss, often associated
with gum disease, or periodontitis.
It is also more common as you get older because gums have started
to recede. If plaque is left to build up on the exposed roots of
the teeth, which are not protected with enamel, then cavities will
quickly develop. |
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How can I prevent cavities from developing?
Fortunately, you can easily prevent cavities from developing if
you practice a proper oral care routine. Here is a checklist of
must-do’s:
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Brush thoroughly twice a
day, with a soft bristled toothbrush - preferably in the morning
and before bed |
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Use a fluoride toothpaste
- fluoride is proven to help prevent cavities |
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Clean between your teeth
daily to remove plaque from areas your toothbrush can't reach |
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Eat a healthy diet and avoid
frequent snacking on sugary foods and drinks |
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Visit your dentist and hygienist
regularly - at least once every six months, for a cleaning
and exam |
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Dentists recommend that
you change your toothbrush at least every three months or
earlier if the toothbrush looks worn, because research shows
that a new toothbrush can remove more plaque than one that's
three months old1
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How often should I visit the
dentist?
You should plan on seeing your dentist and hygienist twice a year
for checkups. While checkups can vary, your dentist will most likely
examine your teeth and gums for any visible problems. He or she
may also take x-rays to make sure there aren't any hidden problems.
Your dentist or hygienist may also professionally clean your teeth
(also called a prophylaxis) to remove hardened plaque (tartar) from
above and below the gumline, as well as polish them to remove plaque
and stains from the tooth surface. And don't forget: your dentist
and hygienist can also provide expert instruction on brushing and
flossing.
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