J. Dennis Lewis Dentistry

Meet Dr. Lewis

Experience, Compassion, and a Lifelong Dedication to Dentistry

For more than four decades, Dr. J. Dennis Lewis, DDS, MAGD, has been providing exceptional dental care with a passion rooted in service and compassion. His journey began at just twelve years old, when he felt a calling to help others through the art and science of dentistry. Since opening his practice in 1978, Dr. Lewis has remained committed to his vision — to provide each patient with the most comfortable, caring, and personalized dental experience possible.

Every smile he creates reflects his dedication to excellence, his genuine warmth, and his belief that great dentistry begins with great relationships.

A Commitment to Lifelong Learning

Dr. Lewis has always believed that education is the foundation of exceptional care. His academic and professional journey reflects a lifelong pursuit of knowledge and mastery in his field.

California State University, Fullerton – Bachelor of Science, 1973
Loyola University School of Dentistry – Doctor of Dental Surgery, 1977
Invisalign Class II Certified – 2005 & 2008
Master of the Academy of General Dentistry (MAGD) – 2007

Earning the prestigious Mastership from the Academy of General Dentistry is an honor achieved by less than 2% of dentists nationwide. It represents Dr. Lewis’s dedication to continuing education and his desire to offer his patients the highest level of skill and knowledge in every area of general dentistry.

Professional Excellence and Affiliations

Dr. Lewis remains active in multiple dental organizations, staying at the forefront of new techniques and innovations in modern dentistry. His professional affiliations include:

Academy of General Dentistry
American Dental Association
California Dental Association
Orange County Dental Society
Western Society of Periodontology
International Association for Orthodontics
American Academy of Implant Dentistry
Academy of Laser Dentistry

These memberships allow Dr. Lewis to continually refine his skills and integrate the latest advancements in technology and treatment methods into his practice — ensuring his patients always receive the best care available.

A Practice Built on Compassion and Trust

Beyond his technical expertise, Dr. Lewis is known for his gentle approach and heartfelt care. Patients appreciate his ability to make every visit comfortable, informative, and personalized. His goal is simple: to help each person achieve lasting oral health and a smile they can be proud of.

At J. Dennis Lewis Dentistry, Dr. Lewis continues to build on his lifelong vision — serving his community with integrity, compassion, and a deep respect for the people behind every smile.

Ready to rediscover the confidence in your smile and the comfort of truly caring dentistry?

Advanced Laser Dentistry

At J. Dennis Lewis Dentistry, we combine advanced technology with a gentle, personal touch. Every visit is designed to help you feel comfortable, confident, and cared for — because your smile deserves the best.

Our reviews

What Our Patients Say About Us!

Shannon G.

I’ve been a patient for close to 20 years, and the customer service is outstanding. I always feel safe and my needs and concerns are always addressed with minimal pain!! I’m grateful for Dr. Lewis and his team! …

Dee F.

Love going to Dr Lewis been going for many decades. Enjoy the staff as well. Always a pleasure! Like family!

Luk D.

Everyone there is so friendly and kind. The office is always nice and clean. Sara is the best!

Donald M.

Dr. Lewis is the best. Caring, compassionate sums up what he is all about. I’ve been going to this dentist since 1988. Highly experienced. Always ahead of his peers in technology which leads to a most pleasant pain free experience. Thank you and your great staff.