Creating confident smiles in Tustin, CA
Welcome to Buoyancy Orthodontics
Where Confident Smiles Begin
Inspired by Our Son. Built for Your Smile.
At Buoyancy Orthodontics, we treat every patient like family. The name “Buoyancy” is a personal tribute — a creative play on our son’s middle name and a daily reminder to uplift others with care, compassion, and integrity.
Using the latest orthodontic technology and a personalized approach inspired by Dr. Shi’s commitment to treating each patient like family, we ensure your smile journey is both comfortable and rewarding.
Experience the uplifting difference at our modern Tustin office, where creating beautiful smiles is just the beginning of the transformation we offer.
State-of-the-art metal and ceramic braces offering reliable and effective treatment for all types of orthodontic concerns.
- Modern low-profile brackets for maximum comfort
- Ceramic (tooth-colored) brackets for a more subtle appearance
- Customizable colored bands to express your personality
- Ideal for complex bite corrections and alignment issues
Treatment time typically ranges from 18-24 months, with regular adjustments every 6-8 weeks.
Advanced clear aligner therapy using the latest Invisalign® technology for outstanding results with maximum discretion and flexibility.
- Custom-designed clear aligners using 3D digital scanning
- Removable for eating, drinking, and special occasions
- Fewer in-office visits
- Ideal for mild to moderate alignment issues
Treatment times as short as 6-18 months depending on your needs.
The American Association of Orthodontists recommends children have their first orthodontic check-up by age 7. Early intervention can prevent more serious problems from developing.
- Growth Modification: Guide jaw development during crucial growth periods
- Space Maintenance: Preserve space for permanent teeth
- Habit Correction: Address thumb sucking and tongue thrust
- Crowding Prevention: Monitor dental development
- Airway Assessment: Evaluate breathing patterns and oral development
Early intervention can reduce treatment time in the teen years and prevent the need for more invasive procedures later.
Protect your investment with our custom-designed retention solutions. We offer multiple retainer options to maintain your beautiful smile for life.
- Hawley Retainers: Classic, adjustable, and durable with personalized color options
- Clear Retainers: Invisible, comfortable, and easy to wear
- Permanent Bonded Retainers: Fixed solution for long-term stability
- Digital Retainer Scanning: Perfect fit using 3D technology
- Replacement Program: Quick replacement if lost or damage
Meet Dr. Christopher Y. Shi
Dr. Shi is a Board-Certified Orthodontist (Diplomate of the ABO), Ivy League graduate, and founder of Buoyancy Orthodontics. He earned his Doctor of Dental Medicine (DMD) from the University of Pennsylvania and completed his orthodontic residency back home in Atlanta, GA.
Throughout his academic journey, Dr. Shi was awarded merit-based scholarships at every stage of his education, including full scholarships for both college and dental school, and a merit scholarship during residency recognizing his academic excellence and leadership.
Before becoming an orthodontic specialist, he practiced general dentistry while supporting his wife, Theodora, through medical school at UC Irvine. That experience gave him a strong foundation in interdisciplinary care, allowing him to collaborate seamlessly with general dentists and specialists to deliver truly comprehensive treatment.
In addition to clinical care, Dr. Shi is actively involved in organized dentistry. He currently serves as an Alternate Delegate to the California Dental Association House of Delegates (2025–2026), representing the Orange County Dental Society and contributing to the future of dentistry in California.
Dr. Shi is honored to serve the community with clinical excellence and the same heart he brings to his own family.
Frequently Asked Questions
We treat patients of all ages
We are here to support you at every step of your orthodontic journey, ensuring you have the best possible experience. We use the latest technology and provide a range of gentle, effective treatment options tailored to meet your unique needs, giving you the personalized care you deserve.
Kids
The American Association of Orthodontists advises that children have their first orthodontic evaluation by around age seven. At Bouyancy Orthodontics, we offer free evaluations for kids ages 7 and up.
Teens
Orthodontic treatment today is a world away from what it used to be. With advanced braces and aligners, getting orthodontic care as a teenager is more convenient and comfortable than ever.
Adults
Adults are increasingly turning to orthodontists for comfortable and affordable treatment options. We’re proud to offer Invisalign and braces with flexible payment plans to make achieving your best smile easier than ever.
Our Reviews
What Our Patients Say
Check out what others have been saying about their 5-star experiences with us!
