Contact Us!

We encourage you to contact us with any questions or comments you may have. Please call our office or use the quick contact form below.

Office location:
9804 Central Ave.
Montclair, CA
Phone: 909-625-9100

Montclair Dentist - First Dental Group - Yaojen Chang, DDS

General & Family Dentistry - Two Generations of USC Dentists!

Serving Montclair, Claremont, Upland, Ontario, Pomona, Chino, Chino Hills, and the Rancho Cucamonga Area

Visit Our Office!

When you visit Montclair, CA and the father/son dentist team of Dr. Simon Chang and Dr. Yaojen Chang, your smile is our top priority.

At First Dental Group, we understand that most people do not enjoy going to the Dentist.  Our mission is to get you in and out of the office as efficiently as possible, providing quality care, and minimizing pain; so that you may return to the more enjoyable experiences in your life.

When you visit First Dental Group you will experience all that modern dentistry has to offer, including a comprehensive list of general, restorative and cosmetic dental care services to meet the needs of the whole family. Our goal is to assist each patient in achieving and maintaining long term dental health and a beautiful smile. We pride ourselves in giving you a personalized attention and offer you a full range of dental services using the most current state-of-the art dental technology and techniques. Some of the services we provide include:

  • New Patient Exams
  • Digital X-Rays
  • General Dentistry
  • Zoom! Whitening
  • Tooth Colored Fillings
  • Crowns (Caps)
  • Wisdom Teeth Extractions
  • In-House Root Canal Specialist
  • Cosmetic Dentistry
  • Root Canal
  • Fixed Bridges
  • Porcelain Veneers
  • Implant Restorations
  • Snap-On Smile
  • Dentures
  • In-House Gum Specialist

Part of our commitment to serving our patients includes providing information that helps them to make more informed decisions about their oral health needs.  This website is a resource we hope you’ll find both useful and interesting.

Please browse through our website and be sure to contact us if you have any questions or would like to schedule an appointment.

Monday-Friday: 9am-6pm
Saturday: 8am-3pm

We accept most PPO, HMO, and Denti-Cal insurances

First Dental Group
9804 Central Ave
Montclair, CA 91763
Phone: (909) 625-9100
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California Dental Association


First Dental Group is a BBB Accredited Dentist in Montclair, CA