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tooth or teeth can be replaced with either a fixed or a removable
prosthesis. A denture is a removable replacement for a missing
tooth or teeth. Complete dentures replace all teeth while partial
dentures replace one to several teeth.
Complete Dentures - Partial Dentures History
/ How the technology changed throughout the years
for decaying or lost teeth have been produced for thousands of
years. Skillfully designed dentures were made as early as 700
BC using ivory and bone. Unfortunately, this level of technology
was lost until about the 1800s. During Medieval times, dentures
were seldom considered. Gaps between teeth were expected, even
nobles had them. Queen Elizabeth I filled the holes in her mouth
with cloth to improve her appearance in public. When dentures
were installed, they were hand-carved and tied in place with silk
threads. Retention of false teeth was more difficult as the number
of teeth diminished in the mouth and those that wore full sets
of dentures had to remove them before eating. Upper and lower
plates fit poorly, and were held together by steel springs. Even
George Washington suffered from tooth loss and unfit dentures.
The major reason that the level of technology didnt increase
is because suitable materials for false teeth were hard to find.
These problems began to be solved in the 1700s. Since ancient
times, the most common material for false teeth are animal bone
or ivory, especially from elephants or hippopotamus. Human teeth
were also used; pulled from the dead or sold by poor people from
their own mouths. These teeth soon rotted or decayed. Rich people
got dentures made of silver, gold, mother of pearl, or agate.
In 1774, Duchateau and Dubois de Chemant designed a full set of
dentures that would not rot. They were made of porcelain. Giuseppangelo
Fonzi created a single porcelain tooth held in place by a steel
pin in 1808. Claudius Ash made an improved porcelain tooth in
1837. Porcelain dentures moved to the United States in the 1800s.
They were marketed on a large scale.
and comfort eventually improved as well. In the 1700s plaster
of paris was introduced. It was used to make a mold of the patients
mouth. This helped the shape of the dentures to be more precise.
There was a real breakthrough when vulcanized rubber was discovered.
This is a cheap, easy to work with material that could be shaped
to fit the mouth and hold the denture. Another cheap base was
also made; it used celluloid. Celluloid was tried in place of
rubber but it didnt prove to be the best material to use.
Today dentures are either plastic or ceramic.
They Are Fabricated
are two types of dentures, one is a full denture, and the other
is a partial denture. Full dentures replace all of the teeth in
either the upper or lower part of the mouth. Partial Dentures
replace one to several teeth. Full dentures are held in place
in the mouth by suction. In some cases when a good suction is
not possible, the use of denture creams is necessary. Partial
dentures are held in place by metal clasps that wrap around some
of the remaining teeth. A partial denture can also be retained
in the mouth with hidden clasps, which make these dentures blend
with ones natural dentition. The fabrication of both types
of dentures is fairly similar.
partial dentures, some minor adjustments are often made to the
existing teeth in order to make a well fitting denture. After
these adjustments are made, procedures for partial and full dentures
are almost identical. First impressions are taken of the mouth.
Impressions are negative molds of the mouth that is used to make
a stone or plaster mold. This stone or plaster mold is very similar
to one that an orthodontist would make, except these have missing
teeth. From these models, the dentures are created. The patient
may have to visit his or her dentist several times throughout
the fabrication of his/her dentures for "try-ins".
This is when the patient and dentist make sure that the dentures
fit well with the remaining teeth. Overall, construction of the
dentures can take up to 3-6 weeks.
afford their wearers a better quality
of life. Appearance, eating, speaking, and retention of remaining
teeth are all positive results obtained when a denture is worn
to replace missing teeth. Appearance and smiles have much to do
with how people interact with each other as much of our communication
is based upon either speech or facial expressions. Dentures definitely
preserve and restore our abilities to communicate with one another.
. Dentures also help to protect other teeth from drifting and
loss. Many people are also employed as a result of dentures. Some
of these people are dentists, dental assistants, dental lab technicians,
and manufacturers of cleaners and pastes for dentures. Dentures
affect our society in many ways gone unnoticed.