Dr. Alexander Nguyen is a board-certified oral and maxillofacial surgeon in the Phoenix, AZ area and is the owner of a busy private practice.  He received his Doctor of Dental Surgery degree from the University of Southern California in Los Angeles, CA, and then completed a rigorous four-year oral and maxillofacial surgery residency at the Carle Foundation Hospital in Champaign-Urbana, IL.

His training there included: full facial reconstruction from traumatic injuries, head and neck cancer ablation with reconstruction using local and free flaps, benign tumor and cyst management of the head and neck, cleft lip and palate repair, craniofacial surgeries on children and neonates with facial abnormalities, open tracheostomies for the Intensive Care Unit, corrective jaw (orthognathic) surgery, dentoalveolar and dental implant surgery with bone grafting, and delivering safe anesthesia to pediatric and adult patients.  In the office, he has taken an interest in full-arch dental implant rehabilitation and complex dental implant techniques, such as zygomatic and pterygoid implants.  With a firm belief in properly educating other providers, he has found a passion for teaching dental implant courses.

Along with being in the office, he practices the full scope of oral and maxillofacial surgery.  He has full hospital privileging and exercises it at multiple medical centers in the area, many of which are Level 1 Trauma Centers.  He is certified in Advanced Trauma Life Support, Advanced Cardiac Life Support, Pediatric Advanced Life Support, and Basic Life Support.  He is a Diplomate of the American Board of Oral and Maxillofacial Surgery, Fellow of the American Association of Oral and Maxillofacial Surgery, Fellow of the American Dental Society of Anesthesiology, and Diplomate of the National Dental Board of Anesthesiology.

Education & Achievements

Dr Samintharaj Kumar graduated in Dentistry (BDS) from Singapore in 2001 and Medicine (MBBS) from London in 2006. During his dental undergraduate period, he was the first South-East Asian recipient for the David B. Scott Research Fellowship Award (International Association for Dental Research). He spent the final year elective of his medical degree in the Craniofacial Unit at The Hospital for Sick Kids in Toronto, Canada.
Dr Kumar’s postgraduate training in England includes rotations in: Anaesthesia/Intensive Care, Infectious Diseases, ENT, Vascular Surgery, Neurosurgery, Orthopaedics, General Surgery, Accident & Emergency, Maxillofacial Surgery and Plastic Surgery in Singapore.

Specialities & Services Provided
He provides the full clinical spectrum of Dental Implantology, Cosmetic Dentistry and Oral Rehabilitation. He has worked with various Dental Implant systems since 2004 including Nobel Biocare, Dentium, Zeramex, Osstem, Straumann and BioHorizons. He sees patients requiring complex dental rehabilitation or full mouth reconstruction. He accepts referrals for Dental Implant Placement, Sinus Lift Surgery, Complex Bone Augmentation, Periodontal/ Gum Plastic Surgery, Zygomatic Dental Implants/ Tubero Pterygoid Implants, IMDO Surgery, Distraction Osteogenesis, Jaw Surgery which he also performs under intravenous sedation at Nuffield Dental Clinics.

In 2009, he trained under Dr Paulo Malo in Lisbon following which he has been performing All-on-4 Teeth-in-a-Day Implant surgeries and All-on-4 bridge restorations both in England and in Singapore. Dr Kumar was also trained in the Pinhole Surgical Technique by Dr John Chao.

Dr Kumar was awarded a Fellowship to the International Congress of Oral Implantologists. He is also a member of the Association of Dental Implantology, UK, Academy of Osseointegration and the American Academy of Cosmetic Dentistry amongst others. He now lectures nationally and regionally for topics in Implant Dentistry.