Cardinal Dental of St Peters - Professional dental clinic exterior with modern facilities

Cardinal Dental of St Peters

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4.7 (306 reviews)

Dentist in St Peters, MO

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About

Cardinal Dental of St Peters is a comprehensive family dental clinic in St. Peters, MO, led by Dr. Cynthia Blalock. They offer a wide range of services, including general, cosmetic, restorative, and pediatric dentistry, with a focus on comfortable, patient-centered care and advanced technology like Invisalign and laser procedures.

Hours

Monday

8:00 AM – 5:00 PM

Tuesday

8:00 AM – 5:00 PM

Wednesday

8:00 AM – 5:00 PM

Thursday

8:00 AM – 4:00 PM

Friday

Closed

Saturday

Closed

Sunday

Closed

Quick Info

Address

1400 Triad Center Dr, St Peters, MO 63376

Phone

(636) 441-7440

Website

cardinaldentist.com

Accessibility

  • Wheelchair-accessible car park
  • Wheelchair-accessible entrance
  • Wheelchair-accessible toilet

Offerings

  • Cosmetic dentistry
  • Emergency services

Amenities

  • Toilet

Planning

  • Appointments recommended

Payments

  • Credit cards
  • Debit cards
  • NFC mobile payments
  • Payment plans

Offerings

  • Teeth whitening

Planning

  • Accepts new patients

Payments

  • Cash only

About this person

  • Practitioner gender

Detailed Introduction

Cardinal Dental of St Peters is a prominent dental clinic located at 1400 Triad Center Dr, St Peters, MO 63376, serving the St. Peters, St. Charles, O'Fallon, and Wentzville areas. The practice is owned and led by Dr. Cynthia Blalock, a general dentist with a strong focus on prevention and patient education. Cardinal Dental prides itself on offering a full menu of dental care services for the entire family. Their general dentistry offerings include routine cleanings and checkups, treatment for gum disease, root canals, tooth extractions (including wisdom teeth), chipped tooth repair, same-day dentistry, and emergency services. They also address concerns like tooth pain, jaw pain, and provide nightguards for teeth grinding and TMJ/TMD treatment. In the realm of cosmetic dentistry, Cardinal Dental helps patients achieve aesthetic goals with services such as teeth whitening, fixing chipped teeth, replacing missing teeth, and straightening crooked teeth. A notable offering is Invisalign, for which Dr. Blalock is recognized as a top provider in the area, offering a discreet alternative to traditional braces for teens and adults. Restorative dentistry is a key area of expertise, where they provide solutions for missing or damaged teeth, including crowns, bridges, and dentures. They are committed to offering solutions that look, feel, and function like natural teeth. A significant aspect of Cardinal Dental's practice is pediatric dentistry. They are dedicated to making dental visits fun and anxiety-free for children, focusing on preventative care and education. Dr. Blalock is uniquely qualified to offer a full menu of pediatric dental services, including addressing pediatric sleep-disordered breathing with programs like Healthy Start and performing laser lip and tongue tie revisions. The clinic emphasizes patient comfort and a relaxing environment, with amenities designed to make visits stress-free. They also offer flexible appointment times and various financing options, including a savings plan for those without dental insurance and discounts for seniors and cash-paying patients. Dr. Blalock and her team are committed to staying at the forefront of modern dentistry, utilizing proven techniques and innovative dental technology.

Photos

Cardinal Dental of St Peters
Cardinal Dental of St Peters
Cardinal Dental of St Peters
Cardinal Dental of St Peters
Cardinal Dental of St Peters
Cardinal Dental of St Peters
Cardinal Dental of St Peters
Cardinal Dental of St Peters
Cardinal Dental of St Peters
Cardinal Dental of St Peters

Patient Reviews

4.7 out of 5
M

Mark T.

Cardinal Dental of St. Peters is the gold standard for family dental care. My wife and I have been bringing our three kids here for 5 years, and it’s always a positive experience. Dr. Reynolds has a gift for making kids feel comfortable—he turns cleanings into a "tooth adventure" and lets them pick a prize from the treasure chest afterward. For adults, he’s thorough and honest; when I needed a crown, he explained all options without pressure.

The hygienists are gentle, even with sensitive teeth, and the office has a warm, welcoming vibe with a kid-friendly corner. Scheduling is easy, insurance is handled smoothly, and they even squeezed us in for a weekend toothache. It’s dental care with a personal touch—we’re lucky to have them in St. Peters.

July 31, 2025

Ashlie Mitchell

Ashlie Mitchell

Do NOT go here I went here seeking a tongue tie release. Dr. Blalock did not want to release my tongue tie without prior myofunctional therapy (The therapist she referred me to, Nicole Edwin, later confirmed I didn’t need therapy at all. ) Dr. Blalock recommended Invisalign, claiming it would expand my palate and she’d release my tongue tie at the end of treatment. Funny enough, she never mentioned my tongue tie or palate again throughout the entire process. Not sure she even realized I had it released by another Dr or measured my palate.

I paid $4500 upfront for the comprehensive plan, only to find out upon picking up my trays that they were offering the same treatment for $1000 less — they refused to credit my account. I was also made to think the comprehensive plan included unlimited trays, but when I needed replacements, they were suddenly $120 each. Appointments were rushed, and I was constantly dismissed when I voiced concerns — including being told to wear the same gross aligner for 12 weeks straight and deal with pain because of their refusal to order passive trays. Also including being told that, after driving 45 minutes to their office, they had no hygienists available to do my cleaning. When I asked to pick up my final trays a few days early to avoid delaying my treatment over a trip, I was transferred between staff and belittled by the office manager. They only agreed to let me take my trays 5 days early after I got emotional. When removing my attachments, Dr.

Blalock almost filed down my front teeth without asking — I only stopped her because I overheard her say “and I’m going to fix your little chippies” I appreciated they let my bring my child with me to appointments, and they gave me an electric toothbrush. My teeth are fairly straight now. Cool. But this office is a scam that prioritizes profit over patients. Don’t let them take advantage of you like they did me.

February 27, 2025

Tommy Caimi

Tommy Caimi

Dr. Cynthia and her team was awesome. McKayla was amazing with the cleaning and Kayla and Emily were super fun up front. Excited for my Tooth Hurty appointment coming up! Plus all the singing lol. Great atmosphere here!

November 26, 2024

Stephanie Wardle

Stephanie Wardle

Everyone I have met in this office is so amazing and helpful. They made going to the dentist a calm and enjoyable experience, especially for going to a dentist! We made a plan, that fits my needs and budget and I'm excited to see my new smile in the future!

February 27, 2025

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Our Location

Cardinal Dental of St Peters

1400 Triad Center Dr, St Peters, MO 63376

Contact Information

Address

1400 Triad Center Dr, St Peters, MO 63376

Phone

(636) 441-7440

Website

https://cardinaldentist.com/

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