"Appliance levy to maximize three-dimensional symmetry in reconstructive surgery of the middle third of the face," instrument with 7 perpendicular rods.The two central shafts in the form of a cross are parallel to the sagittal and frontal planes and are called axis "a" and "B" respectively.There is another extra thin stem, called the "C", parallel to and above the frontal plane axis "B", which is used to adjust the level of the pupils.There are four rods on the axis u00e2nterio posterior (called legs) connected to the structure of the cross central. All legs have a metal bar on the end (called foot).The feet of the two legs connected to the axis "a", called "A1" and "A2", are placed on the frontal bone and in the glabella, respectively.The feet "B1" and "B2", are placed on the jaw on the side and normal side surgery, respectively.This instrument was developed with the objective of facilitating the adjustment of the anteroposterior axis of the allograft or prosthetic in reconstructive surgery of the middle third of the face.
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