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Ontario Dental Center

Dentist
4.9 (641 reviews) Updated May 08, 2026
974 N Mountain Ave, Ontario, CA 91762

About Ontario Dental Center

Dental offices in Ontario’s northern stretches often serve both longtime residents and those passing through the Inland Empire’s sprawl. Among them is Ontario Dental Center, a general practice handling everything from routine cleanings to more involved procedures. The area around Mountain Avenue blends quiet residential pockets with the kind of low-key commercial strips that keep a neighborhood running—pharmacies, auto shops, and the occasional taqueria. It’s the sort of place where a dentist’s office fits right into the daily rhythm, no fanfare required.

Dentistry isn’t exactly the kind of service people seek out for fun, but when the need arises—whether it’s a chipped tooth, a stubborn ache, or just the twice-yearly checkup—having a local option simplifies things. This practice covers the basics: exams, fillings, extractions, and preventive care. No specialty frills, just the standard offerings most patients expect. The address, 974 N Mountain Ave, Ontario, CA 91762, places it a short drive from the 10 freeway, which means it’s as accessible for Ontario locals as it is for those coming from Upland or Rancho Cucamonga.

Appointments, inevitably, require a call. The number to reach them is straightforward: (909) 414-3535. There’s no online booking portal mentioned, no social media presence to scroll through—just a phone line, the way these things used to work. Some might see that as old-school; others might appreciate the lack of digital noise. Either way, it keeps the process simple: pick up the phone, set a date, and show up.

First-time visitors will want to double-check the location, especially since Mountain Avenue stretches long and straight through multiple cities. A quick pull-up of the map clarifies the exact spot, nestled between a gas station and what looks like a decades-old diner. The surrounding blocks don’t offer much in the way of distraction, but that’s hardly the point when the goal is a cavity filling or a teeth whitening session.

This listing was last updated on May 08, 2026

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Business Hours

Business Details

Accessibility
Wheelchair accessible entrance
Wheelchair accessible parking lot
Wheelchair accessible restroom
Wheelchair accessible seating
From the business
Identifies as Asian-owned
Service options
Onsite services
Language assistance
Offerings
Cosmetic dentistry
Emergency services
Pediatric care
Amenities
Gender-neutral restroom
Restroom
Crowd
LGBTQ+ friendly
Transgender safespace
Planning
Appointment required
Appointments recommended
Payments
Credit cards
Debit cards
NFC mobile payments
Payment plans
Parking
On-site parking