24/7 Available · Ontario
24-Hour Dentists in Ontario, CA — Always Available
Emergencies don't keep business hours. These dentists in Ontario are available 24 hours a day, 7 days a week — including holidays.
As of May 2026, RatingsNearMe ranks 20 dentists in Ontario, CA by verified customer ratings and review volume. The highest-rated is Vista Dental Care with a 4.9-star rating from 478 verified reviews. Also in the top tier: Ontario Dental Center and Ontario Smiles Dentistry and Orthodontics. The average rating across all listed dentists in Ontario is 4.7 stars from 353 reviews per business on average.
Dental care in Ontario: cleaning + exam $100–$300; crowns $800–$1,800; root canals $700–$1,500. Many accept most major insurance.
Rankings updated May 17, 2026 · Scored by ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Local Market Snapshot
20
Businesses listed
4.7★
Avg rating
353
Avg reviews
May 17, 2026
Last updated
Top Rated Dentists
Ontario Smiles Dentistry and Orthodontics
4190 E 4th St Ste C, Ontario, CA 91764, USA
Dentists Rankings in Ontario, CA
| # | Business | Rating | Reviews |
|---|---|---|---|
| #1 | Vista Dental Care1921 E 4th St, Ontario, CA 91764, USA | 4.9★ | 478 |
| #2 | Ontario Dental Center974 N Mountain Ave, Ontario, CA 91762, USA | 4.9★ | 639 |
| #3 | Ontario Smiles Dentistry and Orthodontics4190 E 4th St Ste C, Ontario, CA 91764, USA | 4.6★ | 437 |
| #4 | Mission Dental Care941 W Mission Blvd H, Ontario, CA 91762, USA | 4.8★ | 550 |
| #5 | Ontario Village Dental533 W Holt Blvd B, Ontario, CA 91762, USA | 4.8★ | 322 |
| #6 | Dentists of Ontario Ranch3480 Ontario Ranch Rd Ste 5, Ontario, CA 91761, USA | 4.3★ | 137 |
| #7 | Euclid Dental Center2905 S Euclid Ave D, Ontario, CA 91762, USA | 4.8★ | 276 |
| #8 | Star Bright Dental2409 S Vineyard Ave G, Ontario, CA 91761, USA | 5.0★ | 473 |
| #9 | Ontario Chino Dental Center203 W Francis St, Ontario, CA 91762, USA | 5.0★ | 182 |
| #10 | Acevedo Dental Group Ontario1857 E 4th St, Ontario, CA 91764, USA | 4.9★ | 528 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated May 2026
All Dentists in Ontario
Mission Dental Care
941 W Mission Blvd H, Ontario, CA 91762, USA
Ontario Village Dental
533 W Holt Blvd B, Ontario, CA 91762, USA
Dentists of Ontario Ranch
3480 Ontario Ranch Rd Ste 5, Ontario, CA 91761, USA
Euclid Dental Center
2905 S Euclid Ave D, Ontario, CA 91762, USA
Star Bright Dental
2409 S Vineyard Ave G, Ontario, CA 91761, USA
Ontario Chino Dental Center
203 W Francis St, Ontario, CA 91762, USA
Acevedo Dental Group Ontario
1857 E 4th St, Ontario, CA 91764, USA
Smile Connection
1791 E Holt Blvd UNIT 102, Ontario, CA 91761, USA
Assure Dental of Ontario
961 N Milliken Ave #103, Ontario, CA 91764, USA
Beautiful Smiles Ontario
126 W B St, Ontario, CA 91762, USA
Santa Martha Dental
802 S Mountain Ave, Ontario, CA 91762, USA
Vineyard Family Dentist Ontario Ortho Center
2850A Inland Empire Blvd, Ontario, CA 91764, USA
Ontario Family Dentistry
528 N Fern Ave, Ontario, CA 91762, USA
Euclid Family Dentistry
211 N Euclid Ave, Ontario, CA 91762, USA
Children's Dental FunZone - Ontario
701 N Milliken Ave Suite B, Ontario, CA 91764, USA
Lourdes's Dentistry - Affordable Dentist
1245 N Grove Ave C, Ontario, CA 91764, USA
The Dental Office of Rancho Cucamonga
8130 Vineyard Ave, Rancho Cucamonga, CA 91730, USA
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Frequently Asked Questions — Dentists in Ontario
How do I find the best dentists in Ontario?
Look for businesses with 4.5+ stars, 50+ verified reviews, proper licensing and insurance, and transparent pricing. The top-ranked dentists in Ontario on this page are scored by our algorithm that weighs ratings, review count, and profile completeness.
Are dentists in Ontario licensed and insured?
Licensing requirements vary by trade and state. For most home service contractors, CA requires both a state license and liability insurance. Always ask any contractor for proof of current insurance and a copy of their license number before work begins — you can verify most licenses on your state licensing board's website.
How much do dentists charge in Ontario, CA?
Prices vary by scope, materials, and contractor experience. Use the free quote form on this page to request estimates from multiple local pros simultaneously. Getting 3+ quotes is the single most effective way to avoid overpaying.
What should I look for when hiring a dentists in Ontario?
Verify licensing and insurance, read recent reviews on multiple platforms, ask for a written estimate before work starts, confirm they pull permits when required, and check references from recent local projects. Featured businesses on this page are ranked by verified ratings and review quality.
How are the dentists on this page ranked?
Rankings use a transparent algorithm: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Featured Partner listings have paid for enhanced visibility but must still earn their position through real customer reviews — sponsored listings are clearly labeled.
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How Rankings Work on This Page
Every dentists on RatingsNearMe is scored transparently: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Businesses labeled exclusive or premium are Featured Partners — they have paid for enhanced visibility but must still rank through real customer reviews. We cap sponsored boosts so bad businesses can never buy the top spot.
Editorial notice: Ratings are based on publicly available data from Google Business listings. Consumers should independently verify licensing, insurance, and credentials before hiring any service provider. Last updated: May 17, 2026.
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