🦷 Official Rankings
10 Best Dentists in O'Fallon, MO (September 2026)
We compared 10 dentists serving O'Fallon and Saint Charles County, Missouri, and ranked the top providers by verified reviews, ratings, and local reputation — 6,048 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by River City Endodontics. Updated for September 2026.
- Dentists ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 6,048
- Area codes
- 636, 314
⭐ 5.0 · 697 reviews
113 Church St, O'Fallon, MO 63366
⭐ 4.9 · 1280 reviews
1133 Bryan Rd, O'Fallon, MO 63366
⭐ 4.9 · 856 reviews
956 Bryan Rd, O'Fallon, MO 63366
⭐ 4.9 · 806 reviews
2990 State Hwy K, O'Fallon, MO 63368
⭐ 4.9 · 707 reviews
7766 Winghaven Blvd, O'Fallon, MO 63368
⭐ 4.9 · 525 reviews
126 Triad Center W, O'Fallon, MO 63366
⭐ 4.9 · 197 reviews
472 Hwy P, O'Fallon, MO 63366
⭐ 4.9 · 171 reviews
31 O'Fallon Square, O'Fallon, MO 63366
⭐ 4.8 · 566 reviews
8618 Mexico Rd, O'Fallon, MO 63366