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 DEFINITION
The biomaterials are bicompatible products that are placed on the maxillary bone trying to obtain his regeneration and restore the existing defect. The most well-known material is the hidroxiapatita, but multitude of products exists with similar characteristics.
SYMPTOMS
In a partial patient or completely edentulo diagnostic the existence of a bony defect that it is necessary regenrar or to repair before the implants laying osteointegrados.
SKILL
The surgical procedure must be realized of a way ruled after a precise indication based in a case history and a physical and radiological exploracioón adapted. The biomaterial can be used by means of his laying with syringes. Also it can be used in the shape of blocks and joined to other materials heterólogos (collagen) or the proper bone of the patient. Frequently the defect is covered later with a membrane.
COMPLICATIONS
Them possible complications are: injury of anatomical structures (glasses, nerviso, cavities), haematomas, edemas, neuralgias, hemorrhages, infections, formation of cicatriciales textiles or mucous tears, problems in the retention, relapse for bony resorption or of the material aloplástico.
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DEFINITION 
