About Us

About Us

Earning Your Trust

Esparza Dentistry is a family owned business. Dr Oscar Esparza and Dr. Blanca Esparza have been providing excellent service to the english and spanish speaking community of Ontario, California for more than 25 years, and have since extended their service to Chino and Rialto. Their daughter, Dr. Bianca Esparza, joined the team in 2017 and her husband, Dr. Jon Stuart, joined in 2018. They strive to treat all of their patients as if they are part of this wonderful family, working for the best interest of their patients health and well being.
Our Services


Esparza Dentistry in a General dental practice that provides all types of services to accommodate the majority of patients and their families. Accepting most insurances between the three offices, their services can benefit many communities. Ontario Mini Dental Implant Centers of America has recently opened and shares the office with Esparza dentistry, headed by Dr. Oscar Esparza, he is able to provide a special service to patients that struggle with loose dentures and missing teeth.

I recommend Dr. Esparza because he genuinely cares about one's dental health and ensures any dental work that is being performed is done correctly.

Cynthia M., Yelp Review

I had some gum problems before my wedding and Dr. Esparza came to the rescue. They really had my back and I feels so bless that they can always help me.

Elizabeth E., Yelp Review

Dr. Esparza is a great Dentist and very professional very honest. I been coming here for about 9 years and I also bring my kids here.

Sol M., Yelp Review

My wife and I love it here .Thank you Dr Esparza & staff

Peter R., Google Review

Dr. B and her staff are the MOST amazing! They are so kind and professional, and take the time to really get to know their patients!

Tory J., Google Review

Been a patient for 4 years! Staff is very kind and take the time to explain things to you. 100% recommend. 😄

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