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- chin implant extrusion
A rare complication of chin implants is extrusion (the implant is pushed out of its pocket through the incision to the surface). This occurs in less than 1 in a 100 cases but when it happens is very distressing for the patient.
Extrusion often follows a hematoma or collection of blood. If the hematoma becomes infected, extrusion is more likely. Most surgeons recommend an antibiotic around the time of surgery.
To reduce the risk of extrusion it is important that the wound is closed without tension and that there is no bleeding. The surgeon must select the appropriate sized implant and make a large enough pocket. The size of the pocket is crucial. If it is too big the implant will move out of position and if too small the implant will be extruded!
Extrusion may be more common when the operation is performed though the mouth. After surgery the patient must be careful to avoid injury to the site of surgery. Even under the best of circumstances extrusion can still occur.
Implant extrusion can occur any time from the first few days to several months after surgery. If it occurs late, the layer of scar tissue which has formed around the implant (the capsule) may be adequate to augment the chin without further surgery.
If the implant is extruded it can be replaced. It is usually best to wait several months to allow the healing tissue to mature and the scar to soften before reimplanting.