Ashburn's Trusted Dental Office – Where Comfort Meets Advanced Care
Begin your journey toward a healthy, beautiful smile in a modern and advanced dental office, where Dr. Claustro & Dr. Agarwal provides personalized and dedicated care. Our priority is delivering compassionate treatment while helping patients achieve healthy, long-lasting smiles.
Our state-of-the-art facility features the latest in advanced digital dental technology. Every detail—from the office design and furnishings to the technology we use—has been thoughtfully chosen with patient comfort in mind. Our highly trained team shares one mission: to provide exceptional dental care in a warm, supportive, and compassionate environment.
Joining our plan is as simple as counting to three.


1
Sign Up Online or In-person
Do everything online or next time you’re here.
2
Call Us to Request a Visit
After signing up, call our office to request an appointment.
3
Enjoy the Benefits
Enjoy regular preventive visits and discounts. Just like dental insurance, only better.Join our plan and experience all the benefits of membership without the hassles of dental insurance.
Adult Wellness Plan
13 & over$65/mo
Or $780/yr
includes
- Comprehensive periodontal exam 1 x per year
- Periodic Oral evaluation exam 1 x per year
- 2 routine cleanings Per year
- FMX/Panoramic X-ray 1x/36 mos. or as needed
- Bite-wing X-rays and PA's 1 x per year
- Oral cancer screening with cleaning
- Wellness scan 1 x per year
- Diagnostic Photos
- Up to10% off additional treatment (some exclusions apply)
- Most HSA and FSA cards accepted
Save $275
Perio Maintenance Plan
13 & over$137/mo
Or $1,370/yr
includes
- 1 periodontal maintenance every 3 months
- Comprehensive periodontal exam 1 x per year
- Periodic Oral evaluation exam 1 x per year
- FMX/Panoramic X-ray 1x/36 mos. or as needed
- Bite-wing X-rays and PA's 1 x per year
- Oral cancer screening with exam
- Wellness scan 1 x per year
- Diagnostic Photos
- Up to 10% off additional treatment (some exclusions apply)
- Fluoride varnish twice per year
- Most HSA and FSA cards accepted
Save $410
Child Wellness Plan
12 & under$58/mo
Or $580/yr
includes
- 1 routine cleaning every 6 months
- Fluoride treatment with cleaning
- Regular exam with cleaning
- Oral cancer screening with cleaning
- Annual X-rays, BW or Panoramic per year
- Diagnostic photos
- Wellness Scan
- Up to 10% off additional treatment (some exclusions apply)
- Most HSA and FSA cards accepted
Save $380
Save with Family Discounts!
10% off with 2 family members, 15% off with 3 or more family members
Once you are in our office, our doctors and team will confirm the correct membership plan for your needs and goals.

Dentistry Built on Compassion and Trust
At Root Dental, we create a new patient experience that is comprehensive, personalized, and focused on your overall well-being. Your first appointment includes a thorough examination enhanced by advanced diagnostic tools such as digital X-rays, 3D CBCT imaging, and high-quality clinical photography.
During your visit, we take time to conduct a detailed patient consultation, assess your gums and soft tissues, perform an oral cancer screening, evaluate TMJ health and bite function, and check for potential sleep-related breathing concerns. You’ll also receive nutritional guidance that highlights the connection between oral health and total-body wellness, helping us develop a treatment plan customized to your unique needs.
Meet Our Doctors

Dr. Joanna Claustro
Born in the Bronx and raised in the Appalachian Mountains of Southwest Virginia, Joanna Claustro, D.M.D. has been closely connected to life in Northern Virginia since she attended school in McLean. She is the owner of Joanna Claustro DMD & Associates, a practice in advanced dental care where she focuses on providing comprehensive care and building relationships with her patients to design personalized treatments.
Dr. Kopal Agarwal
Dr. Agarwal earned her doctorate in dental medicine at Tufts University School of Dental Medicine in Boston, MA. Originally from India, she received her bachelor's degree in dental surgery from Meerut University and practiced as a general dentist before furthering her education at Tufts. As an associate dentist at Joanna Claustro DMD & Associates, Dr. Agarwal cares for community members of all ages, including preventive care, orthodontics, restorative dentistry, periodontal therapy, implants and dentures, and pediatric dentistry.
Stress-Free First Appointment
Dr. Claustro & Dr. Agarwal are a caring and attentive dentist dedicated to helping patients feel confident about their oral health. Thay takes the time to listen to concerns, address fears, and create a comfortable experience for every patient. Many families, including teenagers, appreciate his thoughtful and supportive approach. There kindness, empathy, and patience are especially valued by patients who feel anxious about dental visits. Dr. Claustro & Dr. Agarwal are an excellent choice for anyone seeking a dentist who truly prioritizes patient comfort and care.
At our practice, your goals are combined with our doctor’s expertise to create treatment plans tailored specifically to your needs. We are committed to respecting your preferences and supporting you every step of the way on your path to optimal oral health.
Real Stories. Genuine Smiles.

Smile Services

General Dentistry
- Dental Exams
- Tooth-Colored Fillings
- Pediatric Dentistry
- Periodontal Treatment

Cosmetic Dentistry
- Teeth Whitening
- Porcelain Veneers
- Smile Makeover
- Dental Bonding and Contouring

Restorative Dentistry
- Dental Crowns
- Dental Bridges
- Dentures
- Dental Implants
- Hybrid Implants
Advanced Dentistry. Beautiful Results.

Christopher R.

Megan H.


