A new device has recently become
available for home oral hygiene. "Spin
brushes" are inexpensive, battery
operated toothbrushes. I checked at a
local supermarket and the prices
ranged from six to twelve dollars.
Many of the spin brushes were
designed for children and they seemed
very appealing. One designed by Colgate
was based on a Lego toy. I saw a
Crest spin brush that looked like a cell
phone. There were others based on
popular cartoon characters. Most of
the brushes are powered by AA batteries
and had brush heads that could
be replaced when they wear out.
Every dentist I've ever met
would like his patient's fillings
to last forever. However, while a
good many restorations do sustain
for the life of the tooth, no
filling ever becomes an organic,
integral part of it. Thus none
CAN be guaranteed to last
Even a filling placed with the
best intentions and preparation
can fail for a variety of reasons.
If there is not enough of an
undercut in the remaining tooth
structure, the filling can fall
out. Occasionally a part of the
tooth around the filling will
break, loosening the lock, and
the filling will fall out. If decay
somehow recurs, the filling may
become surrounded by decay,
loosen and fall out. It should
also be noted that, the larger
the filling, the greater risk of
fracture from chewing forces.
Although we don't oftenthink about what kind of tooth-brush to buy, there are differ-ences, and important ones.Toothbrushes must be pre-scribed for individual use justas medicines are.Not long ago, the hard, nat-ural bristle brush was almostuniversally recommended, andwith some dentists it still is.However, the natual bristleshave almost knifelike tips thatcan cut the gums and when usedto remove plaque under gums,can break and create irritationin the area. Consequently, moreand more dentists are recom-mending the soft, multi-tuftednylon brushes with roundedbristles. These are ideal forplaque removal.
A bad bite can cause a lot of
trouble for children and parents.
In dentistry, we call this
malocclusion, the improper contact
between teeth and jaws
There are lots of causes,
including loss of teeth through
decay or accident. Bad mouth
habits can cause it, too, such
as thumbsucking, tongue thrusting
or breathing through the
The picture the dentist takes
with his x-ray machine is one
of the most essential tools he
has in treating dental problems.
It is always used with the greatest
concern for your safety. In
fact, the exposure takes less
than a second and is less than
you receive from everyday living
from the rays of the sun or
from natural radiation in rocks
and other materials.
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