We Keep Fontana Smiling

14305 Baseline Ave
Fontana, CA 92336

Book Your Dentist Appointment

Or call 909-355-1700

Office Hours

Mon    9:00 AM - 5:00 PM
Tues    9:00 AM - 5:00 PM
Wed    9:00 AM - 6:00 PM
Thurs  8:30 AM - 4:30 PM
Fri        8:00 AM - 4:00 PM
Sat       8:00 AM - 2:00 PM
Sun      Closed


*Saturdays by appointment only. Please call the office for more information.

Google map of Triangle Dental Group and Orthodontics

Office Information

on Baseline at Heritage Triangle Center, next to Tutor Time, behind Wells Fargo


Triangle Dental Group and Orthodontics

14305 Baseline Ave

Fontana, CA 92336

P: 909-355-1700

F: 909-355-1707

Get Directions


We accept and honor most dental insurance plans.

The following are just a few of the dental insurance carriers we're providers for: 

Nathaniel Leng
Nathaniel Leng, DDS
Triangle Dental Group and Orthodontics
"I will provide a comprehensive and gentle exam, answering any questions you may have. I will provide a custom treatment plan to care for your dental needs and desires so you can achieve improved oral health and a beautiful smile."

We pride ourselves on our service.

We use advanced proven technology to keep your smile looking the best! Modern dental technology like Digital X-Rays and CEREC® CAD/CAM single-visit crowns allow care that's faster, less invasive and more efficient than ever before.

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What patients are saying

Welcome to Triangle Dental Group

Triangle Dental Group and My Kids Dentist are located on Baseline at Heritage Triangle Center next to Tutor Time directly behind the Wells Fargo Bank. If you are looking for a dental office in the zip codes: 92235, 92336, 92337, and other areas, we are here to help. Scheduling a dentist appointment has never been easier through our online appointment scheduler. Teledentistry is now available, book an appointment to go live with a dentist using your smartphone, tablet, or computer. Our team at Triangle Dental Group and My Kids Dentists are committed to helping patients with dental emergencies. If you're experiencing oral swelling, severe pain, uncontrolled oral bleeding, or other dental emergencies. We accept many insurance plans and offer a discount plan, as well. We hope to be your dental provider of choice!