Welcome to rio mar dental

Conveniently located in Fullerton, CA, many of our patients come from the surrounding areas of Anaheim, Yorba Linda, Cerritos, La Habra, and Buena Park to visit us. 


Why Choose Us?

Our goal is to make patients feel like family in a caring and friendly environment. Along with comprehensive care, prevention and patient education are our top priority. We embrace the fast-changing pace of dental technology and strive to deliver quality dental care that is above the average standard. 

We provide quality dental care, conveniently in your neighborhood and cater to your schedule. For our patient’s convenience, we are open one Saturday a month. Because your comfort is important to us, we offer many of the modern amenities you’ve come to expect in a dental office. We believe that whatever your dental needs may be, you will be treated with the highest quality dentistry available and with the most compassionate, respectful care you deserve.


meet the dentists

Arianna G. Martinez, DDS

Dr. Arianna Martinez

Dr. Martinez & Dr. Rios practice dentistry together as a wife and husband team. They both graduated from the University of La Salle in Leon, Guanajuato. Certified through the Western Regional Examination Board at the University of Southern California and Loma Linda University, they have been practicing locally since 2010 until they decided to open their private practice in Fullerton in January of 2015. Together they treat comprehensive cases by combining their skills, including endodontics, implants, and orthodontics.

Jose A. Rios Loaiza, DDS

Dr. Jose Rios Loaiza


What our Patients are Saying

We strive to give every patient the very best dental care and experience at Rio Mar Dental. Read our reviews and find out what sets up apart from other offices in the area!

Great place, everyone is very friendly. They work great with the kids. They are very patient. They explain all the procedures very clearly. So glad I found this place! –Anabel G. This review was posted on Google

Dr. Martinez is such a great dentist - especially for the ones who knows ASL! Highly recommended for everyone, especially the ones who are afraid of dentists. My mom was one of them until she met her.Keep your teeth clean and make yourself happy - go see her! –David B. This review was posted on Yelp

I am so glad I was referred to Dr. Martinez. She explains all the work in detail and always on time . I am happy with all my prior dental work. Thank you.–Laura R. This review was posted on Google

Muchas felicidades por este logro mas en su vida, que Dios los bendiga y a seguir adelante, mucha suerte! –Cristina G. This review was posted on Yelp