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Cosmetic & Comprehensive Dentistry

About Us

Cosmetic Dentist

Cosmetic Dentist Fountain Valley, Costa MesaBased in Fountain Valley and serving Costa Mesa, Huntington Beach, and all of Orange County, cosmetic dentist Andrew G. Mortensen, D.D.S. combines talent, experience, and premier education and training to offer premier general and cosmetic dentistry to all his patients.

Our Practice

Through a combination of continuing education and dental expertise, we are able to offer you and your family the high level of care you are seeking. An honors graduate of the Northwestern University Dental School, cosmetic dentist Dr. Mortensen has trained with some of the world's most prominent cosmetic dentistry specialists, including those at the prestigious Las Vegas Institute. He also holds memberships in a number of well-respected dental organizations, including the American Dental Association, the Orange County Dental Association, the American Academy of Cosmetic Dentistry, and the California State Dental Association. Rest assured that here, you will be in the hands of an experienced professional.

Drawing patients from Costa Mesa , Huntington Beach, and other areas of Orange County, our cosmetic dentist, Dr. Andrew Mortensen, is backed by a friendly, caring, and understanding team of dental professionals. Our staff is always available to answer any questions you may have or to address your concerns. Whether you need a second opinion, are contemplating a new procedure, or have anxiety about going to the dentist, we can give you the advice or assistance needed to help you make the best choice for you. After all, you are our top priority.

In addition to a commitment to your dental health, we also offer modern technology—including sedation dentistry—and a variety of financing options for your convenience. We work hard to ensure that your visit with us will be convenient and hassle free.

Whether you are seeking a beautiful new smile through cosmetic dentistry, a comprehensive cleaning, or a pain-free appointment, we can help. Please contact us today to schedule a consultation. We look forward to hearing from you!

Dr. Andrew G. Mortensen

"I am proud to have served patients in our community. Through continuing education and state-of-the-art equipment, we are able to offer you and your family the high level of care you're looking for. Our team at Andrew G. Mortensen, D.D.S., Inc. and I will give you a warm welcome and our ongoing commitment to your dental health."

- Andrew G. Mortensen, D.D.S

Number One Dentist in Orange County

Dr. Mortensen won the Best of Orange County 17th Annual People's Choice Award for Best Dentist in Orange County!  Read the article commemorating this honor in the Orange County Register.

The entire Mortensen D.D.S. team is proud of Dr. Mortensen for earning this accolade and grateful to the loyal patients of the practice for making such an achievement possible.


Dr. Mortensen has trained with some of the world's most prominent cosmetic dental specialists. He is rapidly becoming known as Fountain Valley, Costa Mesa, and Huntington Beach's leading cosmetic dentist to patients wishing to achieve beautiful smiles using porcelain veneers, teeth whitening, dental implants, and more.

The American Academy of Cosmetic Dentistry (AACD), the nation's most prestigious cosmetic dentistry credentialing program, recognizes Dr. Mortensen as an accredited member.


Dr. Mortensen's credentials include membership in professional organizations and high degrees of education, including:

  • American Dental Association
  • Accredited member of American Academy of Cosmetic Dentistry (AACD)
  • A graduate of the prestigious Las Vegas Institute
  • General practice residency in Chicago, IL
  • Honors graduate from Northwestern University Dental School
  • Orange County Dental Society
  • California State Dental Association

Costa Mesa and Huntington Beach area cosmetic dentist Andrew G. Mortensen has premier credentials and an interest in continuing his cosmetic dentistry education. This translates to excellent care for you, so contact him today.


Andrew G. Mortensen D.D.S. Inc.

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Our Location

Andrew G. Mortensen, DDS, Inc.
Fountain Valley Office
18837 Brookhurst St, Ste 109
Fountain Valley, CA 92708
Phone: (714) 964-4183
Toll Free: (866) 736-8860
Fax: (714) 964-7023

Office Hours
Mon - Thur: 7:30 - 4:30
Fri: By appointment only