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 DEFINITION
There are crowns (cases) of entire recovering realized in plastic resin. They are used principally during the time in which there is realized a definitive crown of china or metal - china.
SYMPTOMS
They are indicated in the cases in which for big dental destructions by caries, traumatism, or esthetic motives, or ortodóncicos, there is going to be realized the laying of a definitive crown.
SKILL
A previous history and exploration, along with a suitable position of the patient and of the professional, the use of a correct skill and a few measurements of asepsis are essential for the achievement of the preparation of the tooth to receive a crown. First of all it is necessary to realize an evaluation of the occlusion and later there is anesthetized correctly the tooth that is going to be treated. The suitable preparation is realized and the impressions take with the precise material following the indications of the manufacturer. After the emptying the crown is made with the resin, which is proved and fits. Later one comes to cemented from the crown.
COMPLICATIONS
The complications it can be those of the treatments of the tooth that supports the crown. Sometimes it is possible to produce the descementado of the crown. If they are supported a lot of time these crowns they suffer wear and can be perforated.
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DEFINITION 
