Real Reviews · Ontario
Top-Reviewed Dentists in Ontario, CA
What are customers actually saying? Read verified reviews for dentists in Ontario — every rating is from a real customer.
As of June 2026, RatingsNearMe ranks 20 dentists in Ontario, CA by the RNM Score — a 0–100 rating built from Google ratings, review volume, sentiment, and profile completeness. The top-ranked is Children's Dental FunZone - Ontario with a 4.5-star rating from 1,347 Google reviews and an RNM Score of 80/100. Also in the top tier: Ontario Dental Center and Smile Connection. 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 June 10, 2026 · RNM Score = ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Dentists in Ontario, CA offer a range of services including general dentistry, cosmetic treatments, and emergency care. Consumers should research local options to find a dentist that meets their needs and budget.
- ✓General dentistry services
- ✓Cosmetic dental treatments
- ✓Emergency dental care
How to Choose a Dentist in Ontario
What to look for
- • Dentist's experience and qualifications, including years in practice and any specialty certifications
- • Dental office cleanliness, modern equipment, and infection control procedures
- • Dentist's communication style and willingness to explain treatments and costs
- • Dental insurance accepted and payment options available
Questions to ask
- • What is your experience and training as a dentist?
- • How do you keep your dental office clean and safe for patients?
- • Can you provide a detailed estimate of costs for any recommended treatments?
Red flags
- ⚠ Dentist is not licensed to practice in California
- ⚠ Dental office appears poorly maintained or unsanitary
- ⚠ Dentist is unwilling to discuss treatment plans or pricing
In California, dentists must be licensed by the Dental Board of California. Patients should verify a dentist's license and check for any disciplinary actions or complaints.
Local Market Snapshot
20
Businesses listed
4.7★
Avg rating
353
Avg reviews
Jun 10, 2026
Last updated
Top Rated Dentists
Dentists Rankings in Ontario, CA
| # | Business | Rating | Reviews |
|---|---|---|---|
| #1 | Children's Dental FunZone - Ontario701 N Milliken Ave Suite B, Ontario, CA 91764, USA | 4.5★ | 1,347 |
| #2 | Ontario Dental Center974 N Mountain Ave, Ontario, CA 91762, USA | 4.9★ | 639 |
| #3 | Smile Connection1791 E Holt Blvd UNIT 102, Ontario, CA 91761, USA | 4.9★ | 573 |
| #4 | Vista Dental Care1921 E 4th St, Ontario, CA 91764, USA | 4.9★ | 478 |
| #5 | The Dental Office of Rancho Cucamonga8130 Vineyard Ave, Rancho Cucamonga, CA 91730, USA | 5.0★ | 125 |
| #6 | Acevedo Dental Group Ontario1857 E 4th St, Ontario, CA 91764, USA | 4.9★ | 528 |
| #7 | Ontario Smiles Dentistry and Orthodontics4190 E 4th St Ste C, Ontario, CA 91764, USA | 4.6★ | 437 |
| #8 | Dentists of Ontario Ranch3480 Ontario Ranch Rd Ste 5, Ontario, CA 91761, USA | 4.3★ | 137 |
| #9 | Beautiful Smiles Ontario126 W B St, Ontario, CA 91762, USA | 4.6★ | 88 |
| #10 | Vineyard Family Dentist Ontario Ortho Center2850A Inland Empire Blvd, Ontario, CA 91764, USA | 4.6★ | 130 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated June 2026
All Dentists in Ontario
4.9 stars from nearly 500 reviews, reflecting exceptional patient satisfaction.
1921 E 4th St, Ontario, CA 91764, USA
8130 Vineyard Ave, Rancho Cucamonga, CA 91730, USA
Exceptional 4.9-star rating from over 500 Google reviews.
1857 E 4th St, Ontario, CA 91764, USA
Trusted by hundreds of patients with a strong 4.6-star average rating.
4190 E 4th St Ste C, Ontario, CA 91764, USA
3480 Ontario Ranch Rd Ste 5, Ontario, CA 91761, USA
2850A Inland Empire Blvd, Ontario, CA 91764, USA
1245 N Grove Ave C, Ontario, CA 91764, USA
Boasts a 4.8-star rating from over 550 Google reviews.
941 W Mission Blvd H, Ontario, CA 91762, USA
Exceptional 5.0-star rating from hundreds of Google reviews in Ontario, CA.
2409 S Vineyard Ave G, Ontario, CA 91761, USA
Rated 4.8 stars from hundreds of Google reviews for exceptional dental care.
961 N Milliken Ave #103, Ontario, CA 91764, USA
Rated 4.8 stars from over 320 Google reviews, this Ontario dentist is highly trusted.
533 W Holt Blvd B, Ontario, CA 91762, USA
Trusted by hundreds of patients, this Ontario dentist holds an exceptional 4.8-star rating.
2905 S Euclid Ave D, Ontario, CA 91762, USA
Exceptional 4.8-star rating from over 200 Google reviews.
802 S Mountain Ave, Ontario, CA 91762, USA
Awarded 5.0 stars from 182 Google reviews, ensuring exceptional patient care.
203 W Francis St, Ontario, CA 91762, USA
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Dentists in Ontario, CA — Compared
| # | Business | RNM Score | Rating | Reviews |
|---|---|---|---|---|
| 1 | Children's Dental FunZone - Ontario | 80/100 | 4.5 ★ | 1,347 |
| 2 | Ontario Dental Center | 90/100 | 4.9 ★ | 639 |
| 3 | Smile Connection | 87/100 | 4.9 ★ | 573 |
| 4 | Vista Dental Care | 98/100 | 4.9 ★ | 478 |
| 5 | The Dental Office of Rancho Cucamonga | 96/100 | 5.0 ★ | 125 |
| 6 | Acevedo Dental Group Ontario | 87/100 | 4.9 ★ | 528 |
| 7 | Ontario Smiles Dentistry and Orthodontics | 93/100 | 4.6 ★ | 437 |
| 8 | Dentists of Ontario Ranch | 73/100 | 4.3 ★ | 137 |
| 9 | Beautiful Smiles Ontario | 76/100 | 4.6 ★ | 88 |
| 10 | Vineyard Family Dentist Ontario Ortho Center | 78/100 | 4.6 ★ | 130 |
Ranked by RatingsNearMe Score · ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · June 2026
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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.
Dentists in Nearby Cities
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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: June 10, 2026.
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