a good day
for a
great smile!


Creating smiles & relationships in Santa Maria, Orcutt, Nipomo, Guadalupe, and Lompoc!


A mom, Orthodontist, & friend

Dr. Thanh Ng

“Hi! Welcome to Good Day Orthodontics. My name is Dr. Ng. I am so excited to meet you! I am committed to providing a friendly and caring orthodontic experience for all of my patients. As a mom myself, I know how important your child’s care is. I believe in personalized braces or clear aligners that suit your needs and lifestyle. I love what I do because of the people I get to meet. I am excited to meet you soon!”


Patients love us & we love them!

Nothing but smiles! The staff is very welcoming and Dr. Ng really is such a sweet woman! She definitely is passionate about what she does and cares about her clients! 5 stars! My go-to orthodontist in Santa Maria!
— Maryanne Posas

before and after smiles

customized treatment

Metal Braces

Traditional braces are now more comfortable, fun, and durable than ever before.

Clear Braces

Clear/ceramic braces blend in with your teeth, providing an aesthetic appearance.

Clear Aligners

Customized, convenient, & comfortable way to straighten your teeth.


All PPO Insurances Accepted

You and your family deserve the orthodontic treatment you need and want! We accept all PPO insurances!


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Good Day Orthodontics

201 N. College Dr. STE 102
Santa Maria, CA 93454
805-623-8489

Monday - Friday: 9:00AM - 6:00PM
Saturday & Sunday: CLOSED