Assoc For Oral Maxillofacial & Implant Surgery Inc is located in Chicago, , IL. For over 60 years Associates for Oral, Maxillofacial, and Implant Surgery have been providing superior oral surgical care for the residents of northwest Chicago and its suburbs. The dental specialty of oral and maxillofacial surgery is a recognized specialty of dentistry that requires a minimum of four additional years of hospital-based surgical and anesthesia training after graduation from dental school.