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 DEFINITION
It is a prosthesis it completes characterized for covering fibromucosa and roots, teeth or implants prepared for the effect with elements of fixation and retention. There exist different systems of fixation and retention on the roots (generally endodonciadas) like metallic cauls with radicular ear, retentive devices as unitary anchoring and bars, telescopic crowns, and magnetos.
SYMPTOMS
The sobredentadura will be indicated: when the remaining teeth cannot support a conventional fixed or removable restoration, when an extreme desdentación exists with one or two remaining teeth in the good state, in special cases of oligodoncia, microdoncia, amelogénesis imperfect, etc. Also it is possible to realize on implants osteointegrados.
SKILL
A history, exploration and diagnosis, and a few asepsis measurements are essential norms for the achievement of a sobredentadura. After the analysis oclusal there is realized the preparation of the chosen teeth, the chosen fixation systems are placed, cementing them appropriately, and the impressions take with the suitable material. In the laboratory there finishes the prosthesis, which later is proved in mouth and fits. Sometimes it is necessary to realize several adjustments after the laying.
COMPLICATIONS
The sobredentadura can break both in his basic structure and in the dental pieces, and in the systems of fixation - retention, which they can descementar. It is necessary to be careful in the manipulation and cleanliness of the sobredentadura and of the teeth. The teeth support they can develop caries and illness periodontal. The sobredentadura must move back in the night. The carrying patient of one of these prosthesis must have a control in the dental consultation with periodic reviews.
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DEFINITION 
