A patient has an infectious process associated with maxillary right Lateral incisor that tooth is deeply carious and non-restorable. His temperature is 102°F. The patient has not been able to chew for the past 24 hours. The right side of the face is swollen. The patient cannot open his right eye, on palpation the area is soft, painful to touch and tissue rebound when palpated; treatment for the patient should be