Dentist
El Cajon, CA
Highland Smiles Dentistry is El Cajon’s center for comprehensive smile care. Led by Raymond Mansour, DDS, our team of professionals has created an environment in which our patients immediately feel welcome and at home. Visiting a dentist in El Cajon should be a positive experience, giving you reason to smile. Dr. Mansour specializes in several branches of dentistry, boosting both dental health and your smile’s aesthetic. Every treatment is tailored, and every procedure is executed with patience and skill.
Raymond N Mansour, DMD
&
William Sidney Blackmore, dmd
Oral Surgeon
A Preferred Dentist in El Cajon
Dr. Mansour and his team are routinely top-rated for their service and patient-centric approach. From ensuring you feel welcome to explaining procedures in clear terms, every interaction lets you know you are in good hands.
He is proud to serve his community with high-quality treatments in a state-of-the-art dental office. Dr. Mansour remains engaged with the dental community to stay up to date on the latest advances in oral health care treatments,
Oral Surgeon in El Cajon
Dr. William Sidney Blackmore is a Board-Certified Oral and Maxillofacial Surgeon with more than a decade of experience providing advanced surgical care to military members, veterans, and their families. As a Commander in the United States Navy Dental Corps, Dr. Blackmore has served aboard aircraft carriers, at major military treatment facilities, and as the Oral and Maxillofacial Surgeon for Marine Corps Recruit Depot San Diego.
Dr. Blackmore specializes in wisdom tooth removal, dental implant placement, bone grafting, and facial trauma. He is extensively trained in anesthesia and offers deep intravenous sedation to maximize patient comfort and provide the safest, most positive surgical experience possible. His expertise allows patients to undergo treatment with confidence, knowing their comfort and well-being are top priorities.
Raymond N Mansour, DMD
A Preferred Dentist in El Cajon
Dr. Mansour and his team are routinely top-rated for their service and patient-centric approach. From ensuring you feel welcome to explaining procedures in clear terms, every interaction lets you know you are in good hands.
He is proud to serve his community with high-quality treatments in a state-of-the-art dental office. Dr. Mansour remains engaged with the dental community to stay up to date on the latest advances in oral health care treatments,
William Sidney Blackmore
Oral Surgeon in El Cajon
Dr. William Sidney Blackmore is a Board-Certified Oral and Maxillofacial Surgeon with more than a decade of experience providing advanced surgical care to military members, veterans, and their families. As a Commander in the United States Navy Dental Corps, Dr. Blackmore has served aboard aircraft carriers, at major military treatment facilities, and as the Oral and Maxillofacial Surgeon for Marine Corps Recruit Depot San Diego.
Dr. Blackmore specializes in wisdom tooth removal, dental implant placement, bone grafting, and facial trauma. He is extensively trained in anesthesia and offers deep intravenous sedation to maximize patient comfort and provide the safest, most positive surgical experience possible. His expertise allows patients to undergo treatment with confidence, knowing their comfort and well-being are top priorities.
Raymond N Mansour, DMD
A Preferred Dentist in El Cajon

Same Day Appointment
Rapid, same-day scheduling for when treatment simply cannot wait.

General Dentistry
Prevent or treat a range of common oral health concerns.

Cosmetic Dentistry
Rebuild or enhance a lasting, radiant smile that boosts confidence.
COSMETIC dENTISTRY
Unveil your perfect smile.
Rediscover the joy of knowing your smile brightens up the room. Schedule your appointment today to start on a tailored plan that elevates your smile’s health and appearance.
General Dentistry
Dr. Mansour's Approach
Learn what makes us stand out among the crowd.
His Ideals
- Combine disciplined care with compassion.
- Equip and empower patients to maintain oral health.
- Provide treatments with results that last.
His Process
- Learn about each patient’s full situation and needs.
- Discuss all available options, providing clear information.
- Built a tailored treatment plan.
Lifelong Oral Care
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