 Surgeon then utilized a #15 saw to make a horizontal osteotomy through the lateral aspect of the maxilla from the target plates, anteriorly to the area of the buttress region cross the anterior maxilla to a point adjacent to the piriform rim, 5 mm superior to the nasal floor, bilaterally Cerebromaxillary osteotome utilized to separate the maxilla from the target placed posteriorly and a 5 mm Tessier osteotome through a vertical incision anteriorly between roots of teeth numbers 8 and 9. 
Surgeon then utilized a # 15 saw to make a horizontal osteotomy through the lateral aspect of the maxilla from the target plates , anteriorly to the area of the buttress region cross the anterior maxilla to a point adjacent to the piriform rim , 5 mm superior to the nasal floor , bilaterally Cerebromaxillary osteotome utilized to separate the maxilla from the target placed posteriorly and a 5 mm Tessier osteotome through a vertical incision anteriorly between roots of teeth numbers 8 and 9 .