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 Microabrasion
is a technique that allows pediatric dentists to quickly, easily, and
effectively remove superficial stains and spots from the enamel
surface of permanent teeth. However, the removal of deeper stains by
this method is not usually possible.
Unlike bleaching, which alters the color of the
enamel, microabrasion actually removes the very outermost layer of
enamel by the application of an acid containing rubbing compound. This
is usually done in conjunction with the use of abrasives. It is safe
and painless.
The types of discolorations that are most easily
removed this way are some white or brown spots that are often caused
by defective enamel growth.
A number of conditions can cause theses discolorations
of permanent teeth. For instance, injury or infection of a baby tooth
can damage the underlying permanent tooth long before it grows into
the mouth. High fevers or some prolonged childhood illnesses can also
cause defects in proper enamel formation.
Even fluoride has been known to cause white or brown
discoloration of teeth in cases where children received high doses
over an extended period of time. Additionally, some white spots are
caused by poor oral hygiene practices and are sometimes noticed on
teeth, following the removal of orthodontic brackets. Only
discolorations that are near the tooth surface and do not penetrate
too deeply can be removed by microabrasion.
Although microabrasion may be attempted, deeper spots
and defects may need to be corrected with more conventional methods,
such as plastic composite resin bonding or porcelain veneers or even
crowns. These alternatives are less desirable because they require
some tooth preparation and are considerably more expensive options.
Occasionally, removal of superficial white spots makes the overall
remaining tooth color appear darker. In these cases, tooth bleaching
can often solve the problem.
So, even though it may be difficult to predict when
microabrasion will remove a discoloration completely, it is a good
treatment choice for a first attempt in many cases. Modern dentistry
makes many types of cosmetic corrections available and affordable.
Dr. Eric Lebowitz is a pediatric dentist specializing
in care for infants, children, and teens. He is in private practice in
Kendall at Tooth Fairy-Land, located near Baptist Hospital. Questions
about this topic can be directed to Dr. Lebowitz at (305) 279-4313.
Dr. Lebowitz has been a resident of Pinecrest for over 20 years.
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