Ibrahim Zakhary1, Abraham Khanafer2. 1. Department of Oral & Maxillofacial Surgery, University of Detroit Mercy School of Dentistry 2700, Martin Luther King Jr. Blvd., Detroit, MI 48208-2576. Electronic address: zakharie@udmercy.edu. 2. Department of Oral & Maxillofacial Surgery, University of Detroit Mercy School of Dentistry 2700, Martin Luther King Jr. Blvd., Detroit, MI 48208-2576.