Office Hours: Monday - Friday - 9:00am - 6:00pm, Sat & Sun - Closed

Our Offices

We pride ourselves on offering you the most comfortable and pleasant dental experience available. Our offices are designed specifically to make you feel at home, with cozy furnishings, and television, for an unparalleled experience. Your safety and comfort is our primary concern, and we surpass all industry standards and strive to treat you like family.

Scheduling an Appointment

Please call us at 909-930-2500 or click on the “Book Appointment” button above to schedule an appointment. We do our best to accommodate your schedule. Emergency appointments are available if you need them.

Insurance & Financial Arrangements

We are pleased to submit insurance forms on your behalf. We are committed to helping you obtain the treatment you need, and will work with you to help you receive the maximum amount of insurance benefits.

For patients requiring major dental work, a payment plan is available, and we are happy to speak with you about a schedule. Our office accepts cash, checks, and major credit cards.

Cancelling Appointments

If for any reason, you need to cancel an appointment, we ask that you provide us at least 24 hours notice. We ask this in order to provide timely care for all of our patients. Cancellations without 24 hours notice may incur a cancellation fee.

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Meet Your Doctors & Staff

Guillermo Camacho, DDS

Guillermo Camacho DDS

Dr. Camacho comes to us with a wealth of experience and a great deal of expertise.

Dr. Camacho received his Doctor of Dental Surgery (D.D.S.) degree from the UCLA School of Dentistry in 1997. He then continued his training by completing an extensive residency in Hospital Dentistry at the University of Washington Medical Center and affiliated hospitals.

During his residency at the University of Washington he trained at the Seattle Children’s Hospital Dental Medical Clinic, Odessa Brown Children’s Dental Clinic, the Seattle Veterans Administration Medical Center Anesthesiology Department, and Harborview Medical Center Oral and Maxillofacial Surgery Department. Upon his return to Southern California, Dr. Camacho received extensive training in orthodontics and received a certificate from Progressive Orthodontic Seminars.

In further pursuing advanced dental training, Dr. Camacho has taken numerous advanced comprehensive courses from the world renowned cosmetic and neuromuscular center, The Las Vegas Institute for Advanced Dental Studies (LVI). His accomplishments have placed him among the most highly trained dentists in the country.


Austin graduated with a Bachelor’s Degree in Science from Fresno State University before continuing her education and obtaining a degree in Dental Hygiene from San Joaquin Valley College.

As a registered dental hygienist she considers the comfort, education and dental health of her patient’s a priority. Austin is committed to lifelong learning and attends several continuing education courses each year to strengthen her knowledge and patient care.

Her professional affiliation includes a membership with the American Dental Hygiene Association. It is her goal to empower patients with knowledge of the importance of oral health and the essential role it plays in their overall health.

She strives to make each dental visit a positive experience by incorporating a thorough but gentle touch.

In her spare time she enjoys spending summers at the river with family and friends, attending car shows and traveling the world.

Book Your Appointment Today!

Our friendly and knowledgeable staff at Ontario is committed to meeting your needs as a patient with comprehensive care using advanced, proven technology.