The smile you've always
wanted can be yours today.

Our Office

2920 South Archibald Avenue,
Ontario, CA 91761

(909) 923-2273

Give Us A Call

Family-Friendly Dentist in Ontario Ranch

Couple with their two children smiling

Dr. Lan T. Dinh and his dedicated team are committed to helping you and your family achieve and maintain healthy smiles for a lifetime. Since 2005, Ontario River Arch Dental has been providing preventive, cosmetic, and restorative dental solutions for our community and the surrounding areas. From simple teeth cleaning to children's orthodontics and Invisalign® clear aligners, we have the skills to help your smile look and feel its best.

Schedule an exam and consultation with our Ontario dentist and team by contacting our office today.

Affordable Dental Care for the Whole Family

Achieving lifelong oral health begins at an early age and requires ongoing care. At Ontario River Arch Dental, we offer comprehensive treatment plans tailored to your age, needs, and aesthetic goals. From children's sealants to adult zirconia crowns, our priority is to help you achieve optimal oral health while preserving your dental aesthetics.

Our Ontario dentist provides a range of procedures to enhance dental health and aesthetics, including:

Tooth-Colored Restorations
Veneers and Lumineers®
Teeth Whitening
Traditional Ceramic Braces and Invisalign® Clear Aligners
All-On-4 Dental Implants
Root Canal Therapy
Family Dentistry
Smile Makeover

We begin by understanding your unique oral health needs. Dr. Dinh utilizes imaging tools such as intraoral cameras and digital X-rays to closely examine your smile. We encourage you to ask questions during your care so we can collaborate with you to develop a treatment plan that makes you feel comfortable and confident.

Your Knowledgeable Ontario Dentist

At Ontario River Arch Dental, our primary focus is preserving proper dental health while ensuring that restorative and cosmetic treatments are affordable and accessible. We accept a variety of HMO and PPO dental insurances and offer financing through CareCredit to make receiving care as stress-free as possible. Regardless of if you need a dental implant, orthodontics, or a routine checkup, our team is here for you. Additionally, if you are experiencing a dental emergency, call (909) 923-2273 so we can help alleviate your pain and restore your health.

Located off Archibald Ave. in Ontario, Dr. Dinh and his team welcome patients from across Riverside County and the neighboring communities of Jurupa Valley and Declezville. We are passionate about the smiles of you and your family. Our team wants to help you achieve a smile you can't wait to show the world. For more information about our Ontario dentist, contact us to schedule an appointment today!

CALL US: (909) 923-2273 REQUEST APPOINTMENT

Ontario River Arch Dental
2920 South Archibald Avenue Suite C
Ontario, CA 91761
Phone: (909) 923-2273

Our Office Hours
Monday 10:00 am - 6:00 pm
Tuesday 10:00 am - 6:00 pm
Wednesday 10:00 am - 6:00 pm
Thursday 10:00 am - 6:00 pm
Friday 10:00 am - 5:00 pm
Saturday By Appointment

Patient
Testimonials

"Dr. Dinh was very thorough with his oral examination with me. He gave me two options to improve my smile. The office is clean and staff are very kind and personable. My gums have improved much and are healthier. Thank you again for educating me ..."

Suzie

"I just relocated to area and was referred to Dr. Dinh by my neighbor. Dr. Dinh is caring and has featherweight hands. I was informed of my dental health and how to improve my oral health. My cosmetic dental work can not be recognized by anyone. I ..."

Dan Devon

"My family and I frequently visit this practice and we have all had great experiences. Always feel safe during my visits. Got my ortho done and they followed up with me. Staff is well knowledgable."

Emma

Exceptional dentistry, extraordinary services.

Cosmetic Dentistry Periodontal Disease Restorations

View All Services

Cosmetic Dental Treatments in Ontario, CAIn the past decade, there has been a dramatic interest in cosmetic dentistry. We all realize that having a healthy, bright, beautiful smile enhances our appearance and allows us to smile with confidence. Thanks to the advances in modern cosmetic dentistry, we are able to improve our teeth and smiles with quick, painless and surprisingly affordable treatments. CALL US: 909-923-2273 REQUEST APPOINTMENT Cosmetic dental treatments can:Change the size, shape, and alignment of certain teeth.Fill in...

Preventing Periodontal Disease in Ontario CAThe word periodontal means “around the tooth”. Periodontal disease attacks the gums and the bone that support the teeth. Plaque is a sticky film of food debris, bacteria, and saliva. If plaque is not removed, it turns into calculus (tartar). When plaque and calculus are not removed, they begin to destroy the gums and bone. Periodontal disease is characterized by red, swollen, and bleeding gums.Appointment Contact UsFour out of five people have periodontal disease and don’t know it! Most people...

Full, Healthy Smiles with Restorative Dentistry in Ontario, CAIt’s great news that the incidence of tooth decay has significantly diminished over the years due to the use of fluorides and an increase in patient awareness. However, teeth are still susceptible to decay, infection, and breakage and sometimes need to be restored back to health. Through improved techniques and modern technology, we are now able to offer more options for restoring a tooth back to its normal shape, appearance and function.Should your teeth ever require a restorative...

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Send Us A Message

We encourage you to contact us with any questions or comments you may have. Please call our office or use the quick contact form below.

2920 South Archibald Avenue, Ontario, CA 91761

(909) 923-2273

luong100@mail.chapman.edu

Frequently
Asked Questions

What should I do if I have bad breath?

Bad breath (halitosis) can be an unpleasant and embarrassing condition. Many of us may not realize that we have bad breath, but everyone has it from time to time, especially in the morning. There are various reasons one may have bad breath, but in healthy people, the major reason is due to... ...Read More

How often should I brush and floss?

Brushing and flossing help control the plaque and bacteria that cause dental disease. Plaque is a film of food debris, bacteria, and saliva that sticks to the teeth and gums. The bacteria in plaque convert certain food particles into acids that cause tooth decay. Also, if plaque is not removed,... ...Read More

Are amalgam (silver) fillings safe?

Over the years there has been some concern as to the safety of amalgam (silver) fillings. An amalgam is a blend of copper, silver, tin and zinc, bound by elemental mercury. Dentists have used this blended metal to fill teeth for more than 100 years. The controversy is due to claims that the... ...Read More

How often should I have a dental exam and cleaning?

You should have your teeth checked and cleaned at least twice a year, though your dentist or dental hygienist may recommend more frequent visits. Regular dental exams and cleaning visits are essential in preventing dental problems and maintaining the health of your teeth and gums. At these visits,... ...Read More

How can I tell if I have gingivitis or periodontitis (gum disease)?

Four out of five people have periodontal disease and don’t know it! Most people are not aware of it because the disease is usually painless in the early stages. Unlike tooth decay, which often causes discomfort, it is possible to have periodontal disease without noticeable symptoms. Having... ...Read More

Why is it important to use dental floss?

Brushing our teeth removes food particles, plaque, and bacteria from all tooth surfaces, except in between the teeth. Unfortunately, our toothbrush can’t reach these areas that are highly susceptible to decay and periodontal (gum) disease. Daily flossing is the best way to clean between the teeth... ...Read More

How can cosmetic dentistry help improve the appearance of my smile?

If you’re feeling somewhat self-conscious about your teeth, or just want to improve your smile, cosmetic dental treatments may be the answer to a more beautiful, confident smile. Cosmetic dentistry has become very popular in the last several years, not only due to the many advances in cosmetic... ...Read More

What are porcelain veneers and how can they improve my smile?

Porcelain veneers are very thin shells of tooth-shaped porcelain that are individually crafted to cover the fronts of teeth. They are very durable and will not stain, making them a very popular solution for those seeking to restore or enhance the beauty of their smile. Veneers may be used to... ...Read More

What can I do about stained or discolored teeth?

Since teeth whitening has now become the number one aesthetic concern of many patients, there are many products and methods available to achieve a brighter smile. Professional teeth whitening (or bleaching) is a simple, non-invasive dental treatment used to change the color of natural tooth enamel,... ...Read More

What are my options if I have missing teeth?

With many state-of-the-art dental treatments and prevention options available in dentistry today, there are fewer reasons for having to extract (remove) teeth. When something does go wrong with a tooth, we try to do everything possible to restore the tooth to its original function. Removing a... ...Read More

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