Discover Your Best Smile With a Cosmetic Dentist in Northglenn, CO

The right cosmetic dental care can elevate more than just your appearance—it can boost your confidence in every area of life. At Keene Smiles, we offer advanced, patient-centered treatments to help you achieve a smile that’s healthy, harmonious, and uniquely yours. Call 720-599-4479 now to book your visit with a trusted cosmetic dentist in Northglenn, CO.

Call 720-599-4479 For An Appointment Schedule Online

Why Choose Us

At Keene Smiles, we take a personalized, low-pressure approach to cosmetic dentistry. Our team works with you to understand your concerns and design a treatment plan that brings out your natural beauty. With a welcoming atmosphere and a focus on long-term results, we're here to make your smile transformation as rewarding as possible.

Our Services

No matter your starting point or your end goal, we're ready to help you get there. From subtle enhancements to complete smile makeovers, we offer treatments that are tailored to your lifestyle and budget. Every service is delivered with care, precision, and an eye for lasting beauty.

Smiling male doctor in blue scrubs with Keene Dental embroidered, standing in a dental office.

Meet Dr. Gregory Keene

Your Dentist in Lafayette, CO

Dr. Gregory Keene combines a gentle approach with the latest technology to ensure that his patients receive outstanding care. He takes the time to get to know each patient and their needs, empowering them to make the right decisions about their smile care.

Read More About Dr. Keene

Cosmetic Dentistry That Puts You First

Your smile is more than just teeth—it’s a reflection of your personality and confidence. At Keene Smiles, we’re proud to offer cosmetic solutions that are as functional as they are beautiful. Our team uses modern techniques and materials to ensure natural-looking results you’ll be proud to show off. Our cosmetic dentistry services include:
  • Teeth Whitening – Brighten your smile quickly and safely with professional-grade whitening treatments that remove tough stains and restore radiance.
  • Dental Veneers – Veneers are custom-designed porcelain covers that bond to the front of teeth to conceal chips, deep stains, or gaps while reshaping your smile.
  • Tooth Bonding – Ideal for smaller issues, bonding uses a tooth-colored composite material to restore shape, close spaces, or smooth out uneven enamel.
  • Smile Makeovers – A fully customized plan that may include whitening, veneers, or bonding to refresh your entire smile in a step-by-step process.
  • Gummy Smile Treatment – Balance your smile by gently reshaping the gumline to expose more tooth surface and create better visual symmetry.
  • Orthodontics – Achieve straighter teeth and better alignment with clear aligners that fit discreetly into your lifestyle.
Whatever you envision for your smile, we’re here to guide you every step of the way. From your first consultation to your final result, our team is committed to helping you feel confident and cared for throughout the process. Start your smile journey today. Call Keene Smiles at 720-599-4479 to schedule your consultation with a skilled cosmetic dentist in Northglenn, CO and take the first step toward loving your smile. You can also request an appointment online.

Read Why Our Patients Love Us

For decades, I had a trusted dental office with the most amazing hygienist. Well, the dentist, I trusted and the hygienist, both retired and the rest of that clinic I used to go to doesn't cut the mustard for me. Quynh smiles feels like my new dental office. although I have only gotten a...

For decades, I had a trusted dental office with the most amazing hygienist. Well, the dentist, I trusted and the hygienist, both retired and the rest of that clinic I used to go to doesn't cut the mustard for me.

Quynh smiles feels like my new dental office. although I have only gotten a crown placed and one cleaning, I can say that the work is up to par with my current needs.

The office staff is professional, kind, courteous, knowledgeable, and responsive. Dr. Keene himself has great skill and for anyone needing a crown this is your guy. ONE STOP SHOP, he has the lab right there! For those of you who don't know what this means, it means that you leave with your permanent crown instead of the usual, 2 to 4 week wait with a temporary crown which often times falls out or has complication before the permanent crown gets sent back to your dentist.

Overall highly recommend this place.


Darcy P

Dr. Keene and his team are fantastic! I always feel like they are thorough, friendly, and cutting edge. Every cleaning and treatment I have received has left me feeling better and knowing that my teeth will stay healthy for a long, long time.

Katherine H

Absolutely amazing. Dr. Keene and his whole crew have literally saved my life. I had severe dental trauma growing up and highly neglected my teeth. Dr Keene laid out my options and helped me choose what was going to best for my health and my budget. His whole staff is truly so kind and caring. I...

Absolutely amazing. Dr. Keene and his whole crew have literally saved my life. I had severe dental trauma growing up and highly neglected my teeth. Dr Keene laid out my options and helped me choose what was going to best for my health and my budget. His whole staff is truly so kind and caring. I already have and will continue to refer anyone I know to him.


Amanda N

Keene Smiles is the Best! The staff is absolutely wonderful.
Dr. Keene and his staff are so kind. Shout out to my favorite hygienist ever,Rhonda.

Denise L

My visit was scheduled to replace a crown. Although I was very nervous about the work that would be performed, the staff made me comfortable and the procedure was as pain-free as can be under the circumstances. Dr. Keene explained every step of the process. The technology he uses to make the...

My visit was scheduled to replace a crown. Although I was very nervous about the work that would be performed, the staff made me comfortable and the procedure was as pain-free as can be under the circumstances. Dr. Keene explained every step of the process. The technology he uses to make the same day crown is simply amazing. So happy I found his practice!


Sara R

My visit was a quick and thorough tooth cleaning. I hadn't been Keene Smiles for some time because of the pandemic. I'm glad I went.
p.s—Kristin, the hygienist, was great!

Richard P

My first visit was very efficient from check-in to check-out. Every step was fully explained and I was given choices on optional treatments. Dr, Keene is very friendly and the staff was kind. I recommend him highly.

Carle C

The folks at Keene Smiles are efficient and proficient. My appointment was on time and the technician made me comfortable while she took the x-rays and did the cleaning. Dr. Keene explained the condition of my teeth in a very understandable manner.

Bob B

From the time you enter the door and Emily greets you with her great smile, you'll feel at ease and welcome. The entire staff will work to make you comfortable while they beautify your smile. The level of personal care and attention to detail are unmatched. Dr Keene is a true genius in the art...

From the time you enter the door and Emily greets you with her great smile, you'll feel at ease and welcome. The entire staff will work to make you comfortable while they beautify your smile. The level of personal care and attention to detail are unmatched. Dr Keene is a true genius in the art of cosmetic dentistry!

Thank you all for your dedication!


Amy H

This office is modern, well laid out, and clean. The employees are all very friendly and helpful. Dr. Keene is friendly, knowledgeable, and great to work with. I received same day service on a crown preparation and installation with fantastic results. I've been to many different dentists over...

This office is modern, well laid out, and clean. The employees are all very friendly and helpful. Dr. Keene is friendly, knowledgeable, and great to work with. I received same day service on a crown preparation and installation with fantastic results. I've been to many different dentists over the years from around the world. This office and their Doctor and services are the best I've experienced. Highly recommended even with an hour drive one way!


Shawn E