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 DEFINITION
Procedure by which there is restored the anatomy of a tooth and whose magnitude, complication or extension exceeds to the typical obstructions, by that he is named a big reconstruction. In this case it is realized by means of the laying of the material of silver amalgam.
SYMPTOMS
The patient shows an extensive caries injury in a tooth that it affects to more than one face or summit, or a big break, or has been endodonciado, etc. pain Can appear before stimuli like the cold or sugary food.
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 norms for the achievement of a big recostrucción. In all the cases it is necessary to realize a radiography.
First of all the precise anesthesia and the aislameinto is restored. The preparation cavitaria must be specific, with rotary and/or manual set of instruments, placing or not a protection pulpar with a base cavitaria, and the stated counterfoil. Later it applies a protective varnish to itself and polishing, finished and polished is plugged by the silver amalgam realizing his condensation, carved. There can be necessary the use of elements of additional anchoring as bolts or pins. An adherent amalgam can be realized also.
COMPLICATIONS
Sometimes a sensibility appears to the cold that usually yields in a few days. The appearance of continued pain or before cold and warm thermal stimuli it will indicate us the existence of a pulpitis that can imply the need to realize a conduits treatment (endodoncia). The teeth endodonciados (with conduits treatment) can fracture sometimes since they suffer a weakening. To avoid it the laying of a crown is usually necessary.
WHAT DOCTOR CAN TREAT ME?
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DEFINITION 
