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At Thomas Dentistry, our dentists Dr. Troy Thomas, Dr. Jessie Zou, Dr. Chris Clark, Dr. Ken McNabb, Dr. Gina Lightner, and their support team are passionate about dentistry and the relationships we build with our patients. Our goal is to make every patient’s visit to the dentist as comfortable and convenient as possible, while helping them maintain their dental health and a beautiful smile. Our dentists and staff create a relaxing, friendly office environment and use the latest technology and dental practices to ensure you’re getting the best possible dental care. We pride ourselves in a family practice approach and our mission is to offer the best comprehensive care for all of our patients.
At Thomas Dentistry, we are committed to and invested in providing top comfort care to our patients. Our dentists have over 30 total years of dental experience and are committed to using the latest evidenced based dental care. For those patients who experience fear or anxiety when visiting the dentist, we offer sedation options to make your dental visit as comfortable as possible.
Thomas Dentistry accepts all major forms of dental insurance and offers an optional dental membership program to help pickup where dental insurance leaves off or for patients who lack dental insurance all together. Our dental membership program is far superior in cost and benefit than most forms of dental insurance!
Communication is so important in Dentistry. We make it a priority to communicate treatment options with our patients in a way that’s clear, compassionate and non-judgmental with our patients best interest always put first.
Languages We Speak:
Amharic, English, Spanish, and Mandarin
Read More Reviews
Read our reviews from all Patients.
Ronald Folse
Happy Client from Kirkland Office
“I’vy been a patient with Dr Troy for fifteen years and have always been impressed with him and his entire staff. I am 86 years old and was hesitant to make my visit, but his whole staff used the best practices to insure the safety in the office. Unfortunately , I will be moving to California ima month or so and will have to find a new dentist , and hope that they will be as good as Dr Thomas and his staff.”
Jacqueline Roer
Happy Client from Mercer Island Office
“Five stars! Great Dentist and work he does and great staff.”
Zach Kelly
Happy Client from Kirkland Office
“First visit back to the dentist in awhile after not having insurance. Everyone was very welcoming and informed. Cleaning was very efficient and information was communicated clearly Thank you Dr. Zou, Kathy, Carmen, and Nicole! I'll definitely be coming back for further dental care.”
B B
Happy Client from Mercer Island Office
“The best place!!! Great dentists!!! HIGHLY RECOMMENDED!!!”
Robb Kristianson
Happy Client from Kirkland Office
“Very happy with the prompt service. I would highly recommend Thomas Dentistry!”
Peter Christian
Happy Client from Mercer Island Office
“I did not have a dentist in the Seattle area and choose Thomas Dentistry because they were close and nearby. Boy, did I strike gold! I hadn't been to the dentist in a while and I needed some work done to get clearance for a other medical procedure. They were so great in getting me set up and expediting my treatments. Everyone was very professional and friendly. I can highly recommend them for your dental work.”
D Enright
Happy Client from Kirkland Office
“Wonderful, welcoming staff always leaves me smiling!”
jules rasar
Happy Client from Kirkland Office
“I've looked for a dentist in the Seattle area for eight years. I'll never go anywhere else. The last year with Dr Thomas has been great. His staff is just as great. Very solid work.”
Dan Nordale
Happy Client from Mercer Island Office
“Thomas Dentistry makes going to the dentist something to look forward to.”
Faith Hutcherson
Happy Client from Kirkland Office
“Really enjoyed my experience here for a teeth whitening. The Kirkland location is great; it’s close to the freeway so it’s easy to find, and there was designated parking for patients. The staff (I’m talking from front desk to assistants to the doctor) were all very friendly and extremely efficient. I was talked through what they were doing so I felt at ease the entire time.”
Nelson Lopez
Happy Client from Mercer Island Office
“Very very exceptional service, from making the appointment all the way to check out.”
Sarah Gielgens
Happy Client from Kirkland Office
“I have been a patient at Thomas dentistry for over 10 years and have always appreciated their open and friendly atmosphere, knowledgeable and helpful advice, use of new technology and methods, consistent and kind care. Dr. Thomas, Dr. Nguyen, and Dr. Jaswal have all demonstrated genuine care and interest in their patient’s lives, dental health and history, and other medical concerns. I admire their dedication to providing excellent solutions to dental problems, and patience with special issues. I would recommend this team to everyone!”
Matt Wang
Happy Client from Mercer Island Office
“Dr. Jaswal is an absolute pleasure to work with!”
Brianna Lyon (Brie)
Happy Client from Kirkland Office
“Everyone is very kind from the start. I have high anxiety dealing with my teeth and dentists; and everyone was incredibly helpful and informative! I'm really happy I found this place for my smile needs!”
Ben Sharpe
Happy Client from Mercer Island Office
“They are awesome! Took care of my four kids today super convenient!”
Milo
Happy Client from Kirkland Office
“Great dentist! I came after Covid for my first checkup and cleaning, and ended up needing to have some childhood crowns replaced. During the process they were very thorough, even once getting a crown remade to have a perfect fit. One of those visits came in under the estimate. I appreciate the care they take in their practice. The staff are always nice and fun to talk to. Since my first series I’ve come here for over a year and have always had great experiences. Still need to floss more but the dentists and assistants are super nice about it! Also have great reminder system, and are very patient and thorough when working on insurance issues.”
Patrick Dion
Happy Client from Kirkland Office
“Best dentist I’ve ever been to. Not only are they prompt and quick but they walk you through your care clearly and explain the how’s and why’s. For once if feels like having an office that has a comprehensive plan for me rather than me checking a box every year. The hygienists are empowered to spend time with you and even book appointments with them right in the chair. Could not recommend more.”
Barb Patterson
Happy Client from Mercer Island Office
“I needed a dentist close to home and they are close enough for me to walk. I've been twice now and both times had a great experience. Dr. Jaswal has a wonderful chair-side manner and super sense of humor.”
Betsy Tutland
Happy Client from Mercer Island Office
“Dr. Thomas is an amazing dentist. At both his Mercer Island and Kirkland offices the staff is very warm and welcoming. Dr. Thomas has been my husband’s and my dentist for over 20 years and has done exceptional dental work. He makes his patients feel at ease with his caring, positive and fun personality. My grandchildren also see Dr. Thomas and he has an amazing way of helping them to feel comfortable and thus, cooperative. Dr. Thomas has the highest medical and ethical standards. I highly recommend seeing Dr. Thomas for any dental procedure.”
Epic Heart Healing
Happy Client from Mercer Island Office
“As always Dr. McNabb did not fail to impress! We are very fortunate to have him as our dentist . But I also wanted to lift up NADIA who cleaned my teeth this time around and did such an AMAZING job. She is really good at what she does, and has such a calming and personable way about her. Highly recommend these guys!!!”

Dr. Troy Thomas
General Dentist
Dr. Jessie Zou
General Dentist
Dr. Chris Clark
General Dentist
Dr. Ken McNabb
General Dentist
Dr. Ken McNabb
General DentistGeneral & Family Dentistry care is critical for maintaining good oral health and preventing dental problems. Regular visits to the dentist for check-ups and cleanings are vital for early detection and treatment of dental issues, ultimately leading to healthier teeth and gums. Additionally, fostering a positive and trusting relationship with your dentist encourages open communication and ensures personalized care tailored to individual needs and preferences.
Remember, maintaining good oral health not only prevents dental issues but can also contribute to better overall health and quality of life. Regular dental care and hygiene practices, coupled with a healthy lifestyle, can help keep your smile bright and your teeth and gums healthy for years to come. If you have specific dental concerns or need personalized advice, it’s best to consult your dentist.
At Thomas Dentistry, our dentists, Dr. Troy Thomas and Dr. Paul Nguyen, and our team of dental professionals are focused on you. We apply the latest dental technology to general and family dentistry in Kirkland and Mercer Island, Washington, to repair or enhance your smile to help you enjoy good dental and general health. Our team is skilled in using general dentistry to ensure your dental health. We’re also known for being a premier Kirkland and Mercer Island pediatric dentist, so we welcome kids of all ages in our offices. Feel free to explore the pages below to learn more about the general services we provide.
One of the biggest aspects of general dentistry is proper care and dental maintenance. Our team is experienced at spotting small problems before they become big headaches. But preventing problems in the first place requires constant vigilance and regular visits to our dental office. Our dentists and team recommend you visit us once every six months for regular cleanings and exams, as well as for other regular preventive treatments as advised.
At Thomas Dentistry, our dentists, Dr. Troy Thomas and Dr. Paul Nguyen, and our team of dental professionals are focused on you. We apply the latest dental technology to general and family dentistry in Kirkland and Mercer Island, Washington, to repair or enhance your smile to help you enjoy good dental and general health. Our team is skilled in using general dentistry to ensure your dental health. We’re also known for being a premier Kirkland and Mercer Island pediatric dentist, so we welcome kids of all ages in our offices. Feel free to explore the pages below to learn more about the general services we provide.
One of the biggest aspects of general dentistry is proper care and dental maintenance. Our team is experienced at spotting small problems before they become big headaches. But preventing problems in the first place requires constant vigilance and regular visits to our dental office. Our dentists and team recommend you visit us once every six months for regular cleanings and exams, as well as for other regular preventive treatments as advised.
We accept nearly all major dental insurance!
Lacking coverage or out of network? No problem! Our affordable dental membership plans that provides an
incredible value. Click to read more.
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