Dedicated to Healthy & Beautiful Smiles
Ontario River Arch Dental stands as a trusted partner in oral healthcare, serving families throughout Ontario, California since 2005. Led by experienced and compassionate dentist, Dr. Lan T. Dinh, our team understands the importance of comprehensive dental care and creating lasting smiles.
Comprehensive Care for Every Stage of Life
We offer a wide range of services to address the evolving needs of our patients throughout their lives. From preventative care like exams and cleanings to more advanced restorative and cosmetic treatments, we are equipped to handle a diverse range of dental concerns, including:
Preventative & Restorative Services
- Routine dental exams and cleanings
- Sealants for young children
- Composite fillings for restoring damaged teeth
- Crowns and bridges to repair damaged teeth
- Dentures and partial dentures to replace missing teeth
Cosmetic & Aesthetic Solutions
- Professional teeth whitening for a brighter smile
- Porcelain veneers and Lumineers for enhancing aesthetics
- Invisalign aligners for discreet orthodontic correction
- Cosmetic bonding and contouring for a natural-looking smile
Advanced Care & Technology
- Digital X-rays for precise diagnosis
- Intraoral cameras for comprehensive visualization
- Advanced restorative materials for long-lasting results
Patient-Centered Approach
At Ontario River Arch Dental, we prioritize patient comfort and education. We take the time to explain treatment options, costs, and insurance coverage to ensure informed decision-making. We also encourage open communication and address any questions or concerns you may have.
Quality & Affordability
We believe access to quality dental care should be accessible to everyone. We accept numerous dental insurance plans and offer financing options to make treatment affordable. Additionally, our team prioritizes emergency care, offering prompt relief for dental pain and emergencies.
Join our dental family and achieve your healthiest smile yet!
Office Administration and Scheduling Issues
Several reviewers experienced issues with the office administration and scheduling. Some had to call to confirm their appointments, only to have them pushed back multiple times. Others were told to arrive within a short timeframe for an emergency consultation, which was deemed impractical.
Cleanliness and Organization
A few reviewers mentioned that the office was cluttered and disorganized, with papers scattered everywhere. This created an uncomfortable atmosphere for patients.
Professionalism and Communication
Some reviewers felt that the dentist and staff were unprofessional, rushing through appointments, and not taking the time to explain procedures thoroughly. A few patients experienced anxiety attacks due to poor communication and lack of compassion.
Dental Work and Procedures
Several reviewers were unhappy with the quality of dental work, citing issues such as improperly administered anesthesia, botched fillings, and unnecessary procedures. A few patients had to seek second opinions or revisit previous dentists to correct subpar work.
Positive Experiences
On the other hand, some reviewers had very positive experiences, praising the dentist and staff for their professionalism, kindness, and attention to detail. They appreciated the explanations provided during appointments and felt comfortable with the care they received.

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