Let our dedicated dental professionals help you achieve a smile that you can be proud of!

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General and Cosmetic Dentistry 

When you visit our dental office, your smile is our top priority! 

Our entire team is dedicated to providing you with the personalized, quality dental care that you deserve.

When you visit our office you will experience all that modern dentistry has to offer, including a comprehensive list of general, restorative and cosmetic dental services to meet the needs of the whole family. Our goal is to assist each patient in achieving and maintaining long term dental health and a beautiful smile. Some of the services we provide include:  

• Cleanings & Exams 
• Dental Implants 
• Porcelain Veneers 
• Root Canal Treatment 
• Dentures & Partials
• Teeth Whitening 
• Tooth Colored Fillings 
• Porcelain Crowns 
• Dental Emergencies 
Additional Services

New patients click here to learn about appointments & payment options as well as find answers to frequently asked questions, download patient forms & more.

 Part of our commitment to serving our patients includes providing information that helps them to make more informed decisions about their oral health needs.  This website is a resource we hope you’ll find both useful and interesting.
Please browse through our website and be sure to contact us if you have any questions or would like to schedule an appointment. 

Follow Us/Patient Reviews:



As dental professionals it is our priority to provide quality dental care you can trust.


I have been a loyal customer of Dr. Keen's for several years. Dr. Keen is the kindest. hard working, most caring dentist I've ever known. His workmanship is out of this world. Kudos to Monique, his Office Manager. She's the best office manager, ever. His whole team is amazing. Now let's talk about Luis; his gentle, thorough, and super patient. between Luis and Dr keen, your teeth are in safe hands.

Dentrix Hub- Lavender I.

I am very surprised that I'm the first person to write a review for Dr. Keen.

For some people it is very difficult to see the dentist. The fears of root canals, more appointments, extractions, and pain are the worst. Dr. Keen, removes ALL those fears. I've moved around quite a bit in the last 12 years, and whenever I get a new dentist I use Dr. Keen as a reference to what a great dentist is. After 3 dentists, I find myself commuting to Rancho Cucamonga, as he is the only dentist that makes me feel at ease.

He is very professional and does great work as well.

Yelp- Chris V.

Fabulous dentist!
I moved into the area from out of state and was concerned about finding a good dentist. A co-worker recommended Dr. Keen and he is great!
The office staff is very kind and take care of all of my insurance claims very efficiently.
He recently replaced some 40 year old fillings for me and was so careful, gentle and concerned about me well-being during the two sessions needed to replace 7 fillings.
My wife and I both go to Dr. Keen and recommend him to everyone.

Yelp- Scott K.

What can I say about Dr Keen?! UMMM HE'S A USC ALUMNI NEED I SAY MORE?! He is an amazing dentist! This is coming from a girl who much rather go through labor than see a dentist! He is so patient, so calm and so NICE like I can honestly see why people love him so much. My husband has been coming to him for years and while he's a bit of a drive for us, he's definitely worth it. The only downer at least for me is he doesn't work Fridays and weekends but it's ok I'm learning to work around it. Dr. Keen, thank you so much for taking care of me and my teeth, your patience really makes me feel more at ease coming to get dental work done

Yelp- Janice M.

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Contact Us

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.


What does your smile say about you? Let us help you radiate confidence with a healthy smile.