Bimaxillary osteotomy is a surgery procedure of the orthognathic surgery field with the aim to correct dental and facial abnormalities, for both functional and aesthetic cases. The incidence of this abnormality is 5-10% of the population, and its etiology is unknown, with genetic, environmental and embryonic factors related. The surgical technique is complex, and requires osteotomy of the maxillary and jaw, which allows toward, forward, impact and rotation of these bones to fix the edges of the face. The anesthetic management of these patients is a challenge because of the difficult airway management and the perioperative pain control. Multimodal approach for pain control is a fact, and the use of local and regional anesthesia is mandatory. The investigators propose bilateral suprazygomatic maxillary nerve block for a proper control of postoperative pain after bimaxillary osteotomy.
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Opioids consumption
Timeframe: 2hours postoperatively
comparison of the use of opioids in the intraoperative period
Timeframe: intraoperatively