Dr. Trent Westernoff, DMD, MD

Board-Certified Oral and Maxillofacial Surgeon Redondo Beach, Manhattan Beach & Westchester
A Leader in Oral & Maxillofacial Surgery With Military Precision and Harvard Training
Dr. Trent Westernoff brings unparalleled expertise, precision, and dedication to his role as a board-certified oral and maxillofacial surgeon at Oral Surgery Partners. With more than two decades of experience — including combat-zone service and academic excellence — Dr. Westernoff is recognized as one of the most accomplished oral surgeons in Southern California.
He provides full-scope surgical care across our Redondo Beach, Manhattan Beach, and Westchester-Los Angeles locations, specializing in advanced dental implant placement, wisdom teeth removal, facial reconstruction, and complex anesthesia management.

Education & Military Service
Dr. Westernoff earned his undergraduate degree with honors from the University of California, Santa Barbara, then went on to complete his Doctor of Dental Medicine (DMD) at the prestigious Harvard School of Dental Medicine, graduating cum laude. His academic career was marked by multiple awards in research, biology, and oral health sciences.
While at Harvard, he joined the U.S. Army Health Professions Scholarship Program and was commissioned as a captain aboard the historic USS Constitution.
He completed a six-year residency at the University of California, San Francisco (UCSF) where he obtained:
- A Doctor of Medicine (MD)
- Full training in Oral & Maxillofacial Surgery
- A one-year internship in General Surgery
Dr. Westernoff later served as a Major in the U.S. Army, practicing hospital-based oral surgery at William Beaumont Army Medical Center. In 2005, he was deployed to Iraq during Operation Iraqi Freedom, serving in a Combat Support Hospital in Mosul. His exceptional service earned him several military honors, including the Meritorious Service Medal, Army Commendation Medal, and the Order of the Combat Spur.
Surgical Expertise
Dr. Westernoff has experience across the full scope of oral and maxillofacial surgery, including:
- Dental implants and full-arch restoration
- Wisdom teeth extraction and complex tooth removal
- Jaw surgery and facial trauma repair
- Oral pathology and surgical treatment of cysts and tumors
- Bone grafting and sinus lift procedures
- IV sedation and general anesthesia, including non-opioid pain control
He is also a certified provider of Exparel® for opioid-sparing pain management and L-PRF therapy for advanced healing.
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Board Certifications
Dr. Westernoff is a Diplomate of:
- The American Board of Oral and Maxillofacial Surgery (ABOMS)
- The National Dental Board of Anesthesiology

Honors, Awards & Leadership
Dr. Westernoff has earned numerous accolades for leadership, academic performance, and military service, including:
Select Military Honors:
- Meritorious Service Medal, U.S. Army, Iraq
- Order of the Combat Spur, 11th U.S. Cavalry Regiment
- Army Commendation Medal, Fort Bliss Dentac
- Meritorious Unit Commendation, 228th Combat Support Hospital
Academic & Professional Recognition:
- Graduated cum laude – Harvard School of Dental Medicine
- Oral Biology Award – American Association of Oral Biologists
- Award for Excellence in Research – Harvard Odontologic Society
- Hatton Award Finalist – International Association for Dental Research
- Who's Who in America – 2008
Dental Society Leadership:
- Immediate Past President, Western Los Angeles Dental Society
- President, Treasurer, Secretary, Editor – WLADS (2008–2014)
- Board Member, South Bay Children’s Health Center & Dental Foundation of California
Professional Affiliations
Dr. Westernoff is an active member and Fellow in multiple professional organizations, including:
- American Dental Association (ADA)
- California Dental Association (CDA)
- Western Los Angeles Dental Society (WLADS)
- American Association of Oral and Maxillofacial Surgeons (AAOMS)
- California Association of Oral and Maxillofacial Surgeons (CAOMS)
- Western Society of Oral and Maxillofacial Surgeons (WSOMS)
- California Dental Society of Anesthesiology (CDSA)
- Academy of Osseointegration (AO)
- The American Legion
Life Beyond Surgery
After completing nine years in the U.S. Army Reserve and three years of active duty, Dr. Westernoff returned home to Southern California with his wife to continue raising their family. Today, he continues to practice with a patient-first philosophy, bringing integrity, precision, and deep clinical knowledge to every case.

See Dr. Westernoff at Oral Surgery Partners
Dr. Westernoff sees patients at all three Oral Surgery Partners offices in Redondo Beach, Manhattan Beach, and Westchester. Whether you are looking for dental implants, jaw surgery, or wisdom tooth removal, you will be under the care of a highly skilled, compassionate surgeon with a history of service and excellence.
