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One
of the primary influences on a pet's health is determined by the
genetic code. An example of a genetically controlled trait can be
seen or expressed in the mouth as a malocclusion (bad bite). In
certain breeds of dogs an "under shot" jaw is considered
normal, such as the Boxer and Bulldog, while for others, such as
the Retrievers and Collies, it is not considered normal. An "over
shot" or parrot mouth occlusion is not considered normal for
any breed. While every pet is not entitled to a perfect mouth, every
pet is entitled to a comfortable one. Minor expressions of either
genetic trait can be corrected orthodonticly.
Another
example of a genetically controlled dental trait is retained baby
teeth that are seen most commonly in the small or toy breeds. While
it is possible for any of the deciduous teeth to be retained the
canine teeth are the most likely to be retained. Since two teeth
can't occupy the same space at the same time the resulting crowding
leads to decay and possible misdirection of the permanent tooth.
Trauma
can have a profound influence on the health of the mouth. The expression
"curiosity killed the cat" can also be applied to the
mouth when a cat chews on an electrical cord. If the cat survives
the shock there is usually burns to the tongue and lips. Dogs have
been known to get a stick or pieces of bone wedged across the teeth
in the upper jaw or a marrowbone caught around both the lower canine
teeth.
Car
accidents provide the most severe trauma to the jawbone and teeth.
Fortunately, as a result of the use of acrylic splints in the mouth,
repair of jaw fractures has improved significantly. A vital pulpotomy
can be performed on fractured teeth, where the pulp has become exposed,
if it is done within 24-48 hours of the injury. Contouring and sealing
of damaged teeth, when the pulp has not been exposed, can also be
done.
Diseases
such as cancer will have a major influence on the health of the
mouth. One of the most common non-malignant growths seen on the
gums is the fibrous epulis. In this case surgical removal is usually
curative. Most of the other types of growths in the mouth are often
aggressive, malignant tumors. This generalization seems particularly
true with the feline species. In these cases early and aggressive
surgical treatment is needed if there is going to be any chance
of a cure. Unfortunately, even if aggressive surgery is performed
these tumors, because they often invade the surrounding tissues,
have a tendency to grow back rather quickly.
Infection
and the pet's immune response to that infection in the mouth can
play an important role in the healing process as well as the quality
of life. Due to the rich blood supply and subsequent rate of healing
of the injured tissues in the mouth infection may not be a major
concern. Furthermore, we are fortunate to have available many excellent
antibiotics that will support an ideal environment for healing to
take place.
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