Muir Station Smiles

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Muir Station Smiles Children's Dentistry & Orthodontics Dr. Espinoza is a native of the Bay Area, growing up in the city of San Mateo.

Dr. Ruben Espinoza is a pediatric dentist who strives to offer the highest quality of care for children in a warm and caring atmosphere, and fully attentive to the patient's needs. He’s a strong believer in early preventative measures and education to facilitate positive attitudes towards establishing and maintaining a good oral health. He attended the University of California, Berkeley where he received his bachelor's degree in molecular and cell biology - Go Bears! His dental degree was then obtained from the University of California, San Francisco. A native of the Bay area, Dr. Michael Simontacchi-Gbologah was raised in Alameda. He attended Howard University in Washington D.C., where he graduated Phi Beta Kappa, Summa Cum Laude, earning his Bachelors of Science in Chemistry, while serving as captain of Howard’s Division 1 soccer team. In 2008, he earned his Doctorate of Medical Dentistry at the prestigious University of Pennsylvania, School of Dental Medicine. He continued on at the University of Pennsylvania, serving as Chief Resident during his post-doctoral Orthodontic residency and received his Orthodontic specialty certificate in 2010. In his spare time he enjoys spending time with family and friends, mountain biking, hiking, and being active. He is dedicated to his profession and passionate about working with his patients. His goal as a clinician is not only to create beautiful, functional and healthy smiles, but also to build mentorships with his patients and serve as a positive and uplifting voice in their lives. .

When can kids start brushing their teeth all by themselves? 🪥🦷Most children need help or supervision with brushing until...
10/16/2026

When can kids start brushing their teeth all by themselves? 🪥🦷
Most children need help or supervision with brushing until around ages 7–8, but every child develops at their own pace!
A helpful rule of thumb? If your child can tie their own shoes, they may be developing the coordination needed to brush independently. Even then, it's important to check that they're brushing thoroughly for two full minutes, twice a day!
A little guidance now helps build healthy habits for life 💙

Halloween treats are sweeter with healthy smile habits! 🎃🍬Enjoy your favorites, drink plenty of water, and remember to b...
10/09/2026

Halloween treats are sweeter with healthy smile habits! 🎃🍬
Enjoy your favorites, drink plenty of water, and remember to brush and floss after all the spooky fun!

Little smiles make a BIG difference! Happy World Smile Day 🦷 ✨
10/02/2026

Little smiles make a BIG difference! Happy World Smile Day 🦷 ✨

October is National Orthodontic Health Month! 🦷 ✨Wondering if it might be time for an ortho check? An orthodontic evalua...
10/01/2026

October is National Orthodontic Health Month! 🦷 ✨

Wondering if it might be time for an ortho check? An orthodontic evaluation can help identify changes in your child’s teeth, bite, and jaw development as they grow. If you have questions about their smile, ask us about scheduling an orthodontic consultation!

Did you know tooth enamel is the hardest substance in the human body? Pretty amazing for something so small!Keep those s...
09/29/2026

Did you know tooth enamel is the hardest substance in the human body? Pretty amazing for something so small!

Keep those strong little smiles healthy with brushing, flossing, and regular dental visits. 💙

This National Office Manager Appreciation Month, we’re celebrating Sharon and Paullet! 💜✨We’re so thankful for the care,...
09/24/2026

This National Office Manager Appreciation Month, we’re celebrating Sharon and Paullet! 💜✨

We’re so thankful for the care, dedication, and support they bring to Muir Station Smiles each day. Thank you both for everything you do to help our team shine!

Happy first day of fall! 🍂 🍁 Here’s to a new season filled with colorful leaves, cozy days, and lots of happy little smi...
09/22/2026

Happy first day of fall! 🍂 🍁 Here’s to a new season filled with colorful leaves, cozy days, and lots of happy little smiles! 😊

Tiny teeth, important gums! 🪥✨ National Gum Care Month is a great time to remind kids that brushing isn’t only about the...
09/17/2026

Tiny teeth, important gums! 🪥✨

National Gum Care Month is a great time to remind kids that brushing isn’t only about their teeth. Gently brushing along the gumline and flossing between teeth helps keep the whole smile clean!

Feedback like this makes our day! 💕 A big thank you to our wonderful community for sharing the love and supporting our t...
09/14/2026

Feedback like this makes our day! 💕 A big thank you to our wonderful community for sharing the love and supporting our team.

Forever in our hearts. ❤️ 🤍 💙
09/11/2026

Forever in our hearts. ❤️ 🤍 💙

Address

582 Center Avenue
Martinez, CA
94553

Opening Hours

Monday 9am - 6pm
Tuesday 9am - 6pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

(925) 626-0111

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