About Us

Who We Are

We are committed in helping our patients achieve optimal oral health by performing quality preventative, restorative and cosmetic dental services our patients deserve.

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A different way to look at dentistry.

At Vivo, the emphasis is always on you and your comfort. In the reception area you’ll find a flat screen digital tv, refreshments, cozy chairs and soothing colors. Once in the patient room, you can watch a movie, listen to music or relax as you set your chair to massage. Before you know it, your exam will be complete, and Dr. Nassiri will explain the condition of your teeth and, if necessary, potential treatment options.


We are committed to helping our patients achieve optimal oral health by performing quality preventative, restorative and cosmetic dental treatment in a relaxed and comfortable environment.




Most importantly, we are dedicated to meeting the treatment goals and individual needs of our patients. We pledge that a personalized approach is used at all times as we strive to maintain an ongoing relationship based on mutual trust, integrity and respect.


Ready to help you achieve oral health, even if you are nervous about seeing “the dentist”

photo of Vivo Dental

Known for excellent dentistry with a soft touch, Dr. Maryam Nassiri and her attentive staff invite you to their state-of-the-art office. A graduate of University of Pacific, School of Dentistry and more than just a skilled dentist, Dr. Nassiri is also a people person that has a knack for quickly putting patients at ease.

“Its a great feeling when I get a hug from a fearful patient after an appointment” Dr. Nassiri say’s relax into Vivo Dental’s soothing massage chairs while she provides you with personalized service from wellness exams, to whitening, veneers, bridges and much more.

Experience a different way to look at dentistry. Please call 925.756.1200 or make an appointment today, we’ll give you a reason to smile!


Meet Our Onsite Periodontist

Dr Ryan Reyes

Dr. Ryan Reyes is a native of the San Francisco Bay area. In addition to periodontal specialty services, Dr. Reyes also provides treatment for Dental Implants and Oral Surgery. For the past 11 years, Dr. Reyes has been providing surgical services to the dental offices in the great bay area.

Dr. Reyes has an experienced surgical support team who travels with him, who focuses on providing the highest quality treatment and outcomes within the comfort of the patients own dental office. Dr. Reyes' surgical support team is there for his patients from the initial consultation through post treatment care, available to assist his patients 24 hours a day.

Dr. Reyes strongly believes in innovative techniques that increase his patient's comfort. He is a pinhole certified periodontist, which is a scalpel free procedure to correct gum recession. Dr. Reyes stays abreast of the latest innovations in Periodontics and Oral Surgery by attending numerous advanced continuing education courses.

Prior to dental school, Dr. Reyes was a Veterinary Assistant, as he has a love for animals. Outside the dental office, Dr. Reyes enjoys yoga and holistic medicine. When he is not seeing patients, you can often find him in the water surfing, enjoying everything the beautiful California beach have to offer.


Vivo Dental
5165 Lone Tree Way
Antioch, CA 94531
Phone: 925-255-5749
Fax: 925-756-1202

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