Experience exceptional dental care in a modern, comfortable environment. Serving Lake Forest, Mission Viejo, and Laguna Hills since 2024.
A quick intro to Dr. Eugene Chang and the team you’ll see at every visit.
A general, cosmetic, implant, and oral surgery team practicing under one roof on El Toro Road — your full-service Lake Forest dentist office.
General Dentist
Columbia University DDS, Harvard implant training, Pinhole Surgical Technique® certified
Oral & Maxillofacial Surgeon
Implants, IV sedation, and facial surgery specialist
Clear Aligners
Founder of Mountainside Dental Group. Sees Invisalign and clear aligner patients at our Lake Forest office.
Endodontics
Provides root canal care at our Lake Forest office.
We offer both Invisalign and Clarity Aligners on El Toro Road. Researching the differences? Use the right guide for your question:
How clear aligner treatment works in general — what to expect from any modern aligner brand.
Read the clear aligners guide →Treatment process, cost in Orange County, and provider details for Invisalign.
See our Invisalign page →3M Clarity Aligners — how they compare to Invisalign and when patients choose them.
Read the Clarity Aligners guide →Specifically researching aligner cost and timing in Lake Forest? See our Lake Forest aligner cost & treatment time page.
From dental implants and oral surgery to gum care and smile makeovers, the Mountainside Dental Lake Forest team handles complex care under one roof.
Permanent tooth replacement solutions that look and feel natural
Lake Forest dental implants →Rebuilding a complete, healthy bite with implants, crowns, and bridges
Full mouth care in Lake Forest →Extractions, wisdom teeth, bone grafting, and implant surgery with IV sedation
Oral surgery in Lake Forest →Gum disease treatment and the Pinhole Surgical Technique® for gum recession
Gum care in Lake Forest →Veneers, whitening, bonding, and complete smile makeovers
Cosmetic dentist in Lake Forest →Dedicated professionals ensuring your comfort and care
Office Manager
Dental Assistant
Registered Dental Hygienist
Front Office
Experience dentistry in a state-of-the-art, welcoming environment
4.6 ★★★★★ from 178+ Google Reviews
We accept most PPO insurance plans and offer flexible payment options
We accept most PPO plans. No HMO plans accepted.
We accept multiple forms of payment:
For information about payment plans and financing options, please contact our office directly.
For patients without insurance, we offer affordable in‑house savings plans
Enroll online at member.clerri.com
30‑day money‑back guarantee • Benefits begin immediately
23731 El Toro Rd. Unit D
Lake Forest, CA 92630
Monday: 8AM - 5PM
Tuesday: 8AM - 5PM
Wednesday: 8AM - 5PM
Thursday: 8AM - 5PM
Friday: 8AM - 2PM
Phone: 949-881-4928
Email: connie@mountainside-dental.com
Everything new patients want to know about our Lake Forest office.
Schedule your appointment today and experience the Mountainside Dental difference
