Normally, the parotid glands are not palpable, and a concavity exists in the region between the superior ramus of the mandible and the anterior margin of the sternocleidomastoid muscle.
impacted mandibular and maxillary third-molar extraction, dental implant surgery, sinus lifting, simple and complex grafting cyst operations, Le Fort I surgery, sagittal split ramus osteotomy, ...