Clinical Expertise Meets Cosmetic Artistry
Welcome to the premier family and cosmetic dentist in Northern Virginia
It’s All About YOU
What truly distinguishes our practice is a commitment to personalized care. We understand that every patient is unique, with distinct dental goals and concerns. From the moment you step into our office, you are greeted with warmth and empathy. We take the time to listen attentively, ensuring we fully understand your desires and expectations.
Our treatment philosophy revolves around creating natural-looking, stunning smiles that enhance your overall appearance and boost your confidence. Whether you’re considering porcelain veneers to correct imperfections, teeth whitening for a brighter smile, or a complete smile makeover, we tailor each treatment plan meticulously to achieve your desired outcome.
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Meet Our Doctors

Mark S. Jefferies, DMD, PLC
Dr. Jefferies has always been passionate about teaching others–a passion that led him to dentistry. He is a highly-acclaimed dentist with an education that spans multiple degrees from highly acclaimed organizations. Dr. Jefferies specializes in cosmetic dental care, but also delivers a full menu of family dental and restorative dental care.
Meet Dr. Jefferies
Daeun Kim, DMD
Dr. Kim’s love for dentistry was sparked in her home country of South Korea. She completed her studies in Arkansas and Pennsylvania and then went on to complete her Doctorate in Florida. Dr. Kim is passionate about providing thorough and gentle care to all her patients.
Meet Dr. KimExperience the Difference Today
“I’ve been going to Dr Jefferies’ office for years. He’s a gentle, caring dentist and has a wonderful team of hygienists and office staff that makes for a top-notch experience for his patients. My whole family goes here and everyone agrees. We feel lucky to have such compassionate care available to us whether it’s routine cleanings or an emergency need.”
Our mission is to deliver exceptional, compassionate dental care tailored to each patient’s needs while optimizing oral health and fostering lifelong partnerships. |
Our Team Works Hard to Earn Your Trust
Trust and integrity represent the foundation of our practice. We believe in transparent communication and strive to educate our patients about their treatment options, empowering them to make informed decisions about their dental health.
"Dr. KIm was wonderful, made me so comfortable and took her time. She made sure I was not in pain. She explained all my options and I didn’t feel pressured towards any procedure. She has great bed side manner and truly cares. Best dentist I have visited in a long time."
- Pracheeta
"Greatest Dentist in Herndon. We are a military family and have lived in several states and Dr Jefferies is the best. Gentle knowledgeable and thorough. He also doesn’t try to “upsell” on unnecessary procedures, like other dentists I’ve used."
- Bee H.
"Dr. Jefferies and his staff are excellent! You are greeted warmly as you arrive, and you never wait longer than a few minutes to been seen. Any procedure that you have, is explained, and any questions you have are answered promptly. I am very glad to have found Dr. Jefferies as my family dentist."
- Debbie L.
"Dr Jefferies, the hygienist that did a fab job on cleaning my teeth, AND the front desk gal, Kayla, are phenomenal. I'm a very pain sensitive patient and they've been so accommodating over the years. Kudos!"
- Irene W.
"Dr. Kim was fantastic: from her thorough explanation of my X-Rays, to cleaning my teeth herself, and performing my filling. I didn’t feel a thing during the procedure — because of Dr. Kim’s expertise. She had a great bedside manner as well and put all patients at ease. Best dentist experience I’ve had, especially with their neat technology. 5 stars for sure!"
- M.W.
"I've been seeing Dr. Jefferies for over 15 years, and he has always been extremely professional and kind. He is highly skilled, precise, and undoubtedly the best family dentist I've ever had. I consider myself very fortunate to have found and chosen Dr. Jefferies as my family dentist for all these years, and I strongly recommend him to anyone seeking a family dentist."
- Jordan R.
State-of-the-Art Technology
Our team utilizes the latest advancements in cosmetic dentistry technology. From digital smile design software to minimally-invasive techniques, we prioritize precision and comfort throughout every procedure. This ensures not only superior aesthetic results but also a pleasant experience for our patients.

Digital X-Rays
Digital X-rays offer crisp, high-resolution images while using a fraction of the radiation of traditional X-rays. Digital X-rays are a more efficient and accurate way to detect dental concerns.

iTero Digital Scanners
The iTero Digital Scanner captures precise 3D impressions of your teeth, completely replacing the need for traditional, messy molds. It enhances the accuracy of treatments like Invisalign® and custom dental restorations.

Intraoral Scanner
We use our intraoral camera to take a detailed look inside your mouth, capturing clear images of your teeth and gums. These images are displayed on a screen during your visit, giving you a firsthand view of any issues we spot.

Intraoral Camera
An intraoral camera lets us take high-resolution, close-up images of your teeth and gums, giving us a clearer, more detailed view than traditional mirrors alone.

Cone Beam Computed Tomography
Cone Beam Computed Tomography (CBCT) creates detailed 3D images of your teeth, jaw, and surrounding structures, giving us a complete view for highly accurate treatment planning. This is valuable for procedures such as dental implants, orthodontics, and complex tooth extractions.

Soft Tissue Laser
A soft tissue laser allows us to perform gum treatments with greater precision, minimal discomfort, and faster healing. This advanced technology reduces bleeding and swelling, making procedures like gum contouring or periodontal therapy more comfortable and efficient for patients.