Professor of Dentistry & Oral Surgery at the University of Pennsylvania whose clinical expertise focuses on periodontal surgery (gingivectomy, apically and laterally positioned periodontal flaps, guided tissue regeneration); endodontic, restorative and prosthodontic treatment of injured teeth; passive and active orthodontic treatment of maloccluding teeth; oral and maxillofacial trauma surgery (non-invasive and invasive jaw fracture repair and treatment of luxated and avulsed teeth); oral and maxillofacial tumor surgery (mandibulectomy, maxillectomy, partial tongue resection, head/neck lymph node and salivary gland resections); palate surgery (various flap techniques for palate defect management); and facial soft tissue and bone reconstruction (lip reconstruction, mandibular defect management.

His research activities in cats and dogs focus on the etiology and pathogenesis of multiple tooth resorption; impact of periodontal disease on renal function and glycemic control; evaluation of techniques for periodontal surgery, jaw fracture healing and palate defect repair; and development of new treatment strategies for the oral and maxillofacial cancer patient.