One Endodontics modern reception area in Northern Virginia

Choose Excellence in Endodontic Care for Your Dental Health

Painless root canals, dental emergency treatment, and advanced endodontic procedures — delivered by board-certified endodontists in Falls Church, Sterling, Gainesville, Fredericksburg, and Woodbridge.

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ABOUT ONE ENDODONTICS

One practice. One focus.
Your tooth.

At One Endodontics in Falls Church, Sterling, Gainesville, and Fredericksburg, VA, our skilled endodontists perform painless root canals and treat dental emergencies utilizing the most advanced technologies. We serve the areas of Northern VA.

Drs. Saif Kargoli, Hashim Al-Hassany, and Maan Zuaitar are careful and gentle, taking an interest to ensure every patient's procedure is painless. Our team is highly experienced and provides the highest standard of endodontic care.

Five Locations

Falls Church, Sterling, Gainesville, Fredericksburg, and Woodbridge — wherever you are in Northern Virginia, we are close by.

Same-Day Emergencies

Dental pain does not keep office hours. We see urgent cases the same day and provide first aid guidance over the phone while you are on the way.

Advanced Technology

Cone beam 3D CBCT imaging, operating microscopes, and digital X-rays let us see — and treat — what general offices routinely miss.

Genuinely Gentle Care

We explain every step before we take it and we never rush. We offer sedation options for patients who need a little extra help relaxing — no judgment, no pressure.

Our Specialists

Board-Certified Endodontists Dedicated to Your Care

Our specialists bring advanced endodontic training, board certification, and a genuine focus on patient comfort. At One Endodontics Falls Church, every provider is committed to one goal: giving your tooth the best possible outcome.

Diplomate, American Board of Endodontics Board Certified Endodontists American Association of Endodontics Omicron Kappa Upsilon Honor Society 5-Star Rated Practice (1,300+ Reviews)

Ready to meet our team in person? We welcome both referrals and self-referred patients at our Falls Church office. Call us or request a consultation online.

Professional Memberships & Affiliations
Root Canal Therapy

Root Canal Therapy

Far more comfortable than its reputation suggests. We remove infected pulp, clean and seal the canal, and have you back to normal fast.

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Apicoectomy

Apicoectomy

A minor surgical procedure that removes the tip of the tooth root when infection persists. Microscopic precision, minimal discomfort.

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Cracked Teeth

Cracked Teeth

One of the most under-diagnosed causes of tooth pain. We use advanced imaging to find fractures and determine the best path forward.

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Traumatic Injuries

Traumatic Injuries

Traumatic dental injuries require immediate care, and One Endodontics provides expert treatment across Falls Church, Sterling, Gainesville, and Fredericksburg to help save your natural tooth and restore your smile.

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Root Canal Retreatment

Root Canal Retreatment

If a previous root canal is causing persistent pain or sensitivity, root canal retreatment at One Endodontics can address the underlying issue and give your natural tooth a second chance.**

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Root Resorption

Root Resorption

One Endodontics specializes in diagnosing and treating root resorption using advanced 3D imaging and microsurgical techniques, catching this often-silent condition early and providing targeted care to preserve the natural tooth whenever possible.

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Sedation

Sedation

One Endodontics offers nitrous oxide and oral conscious sedation to help anxious patients feel calm and comfortable throughout their endodontic treatment, ensuring that fear never stands in the way of necessary dental care.

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Vital Pulp Therapy / Pulpotomy

Vital Pulp Therapy / Pulpotomy

One Endodontics offers vital pulp therapy and pulpotomy — conservative procedures that preserve living pulp tissue in the root, avoiding full root canal treatment while maintaining the tooth's natural biology and supporting continued root development in younger patients.

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Post and Core

Post and Core

One Endodontics provides post and core buildup procedures that create a stable internal foundation for crown placement, giving significantly weakened teeth the structural support they need for long-term function and durability.

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Microsurgery

Microsurgery

One Endodontics performs endodontic microsurgery using surgical-grade microscopes and ultrasonic instruments, giving patients with persistent infection or failed root canals a precise, minimally invasive path to saving their natural teeth.

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Internal Bleaching

Internal Bleaching

One Endodontics offers internal bleaching, a conservative procedure that whitens discolored non-vital teeth from the inside out — preserving natural tooth structure while delivering results that surface whitening products simply cannot achieve.

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Pulp Regeneration

Pulp Regeneration

One Endodontics offers pulp regeneration — a biologically based procedure that restores living tissue and encourages continued root development in young patients with immature teeth, providing a superior alternative to traditional root canal therapy.

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Regenerative Procedures

Regenerative Procedures

One Endodontics offers advanced regenerative endodontic procedures — including pulp regeneration, vital pulp therapy, and apexogenesis — that harness the body's own biological processes to preserve natural teeth, promote root development, and restore function for patients across Northern Virginia.

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Advanced Technology

Advanced Technology

At One Endodontics, we utilize cutting-edge technology — including 3D CBCT imaging, surgical microscopes, and digital X-rays — to deliver precise, accurate, and comfortable endodontic care across Northern Virginia.

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Considerations for Regenerative Procedures

Considerations for Regenerative Procedures

One Endodontics partners with referring dentists across Northern Virginia to provide evidence-based regenerative endodontic procedures for young patients with immature teeth, offering seamless referral coordination, collaborative treatment planning, and detailed follow-up communication throughout the process.

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Why see an endodontist?

Endodontists specialize in saving a patient's teeth, often with a root canal treatment. An endodontist goes through 5 years of general dental school, followed by 2 to 5 years of advanced endodontic training. Whereas general dentists average around 5 root canal procedures per week, an endodontist often performs over 25 root canals in a week.

At One Endodontics, we treat patients with dental emergencies every day. Call our office immediately if you are experiencing a dental emergency. Our team will provide first aid instructions over the phone and get you the help you need.

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What our patients are saying

We know a root canal isn't something you look forward to. Here's what patients say after they've been through it with us.

Alexander Soto Alexander Soto

Alexander Soto

May 22, 2026

Google Verified

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Jesse Lamprea Jesse Lamprea

Jesse Lamprea

May 22, 2026

Google Verified

""

Charles Boloix Charles Boloix

Charles Boloix

May 22, 2026

Google Verified

"Everyone was great!! 4 root canals!"

Evelyn Chaleki Evelyn Chaleki

Evelyn Chaleki

May 22, 2026

Google Verified

"I had two root canals done here and had a great experience both times. The office is bright, modern, and very clean, but what impressed me most was how clearly everything was explained throughout the process. The doctor pulled my X-rays up on a TV screen and walked me through exactly what I was seeing and what procedure he recommended. I never felt confused or rushed. Once we decided on a treatment plan, someone came in and clearly explained the full cost and exactly what I would be responsible for paying. Everything felt transparent, straightforward, and professional. Root canals are never something you look forward to, but they made the experience as easy and stress-free as possible."

VektheCelestial VektheCelestial

VektheCelestial

May 22, 2026

Google Verified

"Dr. Stephanie Wu and Kat were both absolutely fantastic and took wonderful care of me!"

Anne Velasco Anne Velasco

Anne Velasco

May 22, 2026

Google Verified

"Overall great experience here from booking through the procedure. I had a tooth emergency and the office was so kind and accommodating. I was able to get a next day appointment. Dr. Wu did my procedure. She had such light hands for a dentist! She was warm, professional, informative, and efficient. The dental assistant was also very knowledgeable and provided good patient education every step of the process, which I really appreciated. The front desk staff were so friendly as well! I’m usually picky with the medical/dental practices I chose to go to and One Endo at Sterling I would very highly recommend. They have very good technology, it’s pristine, and very pleasant to be inside, which helps, especially since going to the dentist is not something I look forward to on my days off. 🤣 Thank you all!"

Jennifer Craver Jennifer Craver

Jennifer Craver

May 22, 2026

Google Verified

"I was seen quickly and the staff was efficient. The doctor took his time explaining my issue. I will come back again if I need to."

Steve Terrell Steve Terrell

Steve Terrell

May 22, 2026

Google Verified

"I needed an emergency appt and they fit me in right on time. Office was nice, staff was friendly, and Dr was very thorough and informative. Definitely recommend."

Nancy Smith Bellone Nancy Smith Bellone

Nancy Smith Bellone

May 22, 2026

Google Verified

"Had a wonderful experience with Dr. Lee and Kathy! I typically get very anxious when it comes to teeth procedures, but both made sure I was very comfortable. I appreciate their bedside manner and how they took the time to explain everything to me. I had a root canal done, no pain or discomfort and was out the door after 90 minutes (includes check in and check out time)! Thank you Dr. Lee and Kathy, hopefully I never have to be back, but if I need to, I know where to go to and who to request!"

BRENDAN MURRAY BRENDAN MURRAY

BRENDAN MURRAY

May 21, 2026

Google Verified

"Great experience with Dr. Ali Adil today, i.e., he was thorough, conscientious, and kind. Practice also seems to have the latest, state-of-the-art equipment. Procedures can be expensive but isn't everything these days?"

Gail Gail

Gail

May 21, 2026

Google Verified

""

Timothy Brown Timothy Brown

Timothy Brown

May 20, 2026

Google Verified

"Real nice folks"

Brenda Blue Brenda Blue

Brenda Blue

May 20, 2026

Google Verified

"The staff and Dr were very nice, very informative and professional. Thank you for pleasant experience."

K Giles K Giles

K Giles

May 20, 2026

Google Verified

"Very knowledgeable about my problem."

Erdoğan Çemen Erdoğan Çemen

Erdoğan Çemen

May 20, 2026

Google Verified

"Great work for my route canal treatment."

Lacey Cross Lacey Cross

Lacey Cross

May 20, 2026

Google Verified

"Took very good care of me! Very sweet people I highly recommend!!"

Zeena Al-Timimi Zeena Al-Timimi

Zeena Al-Timimi

May 20, 2026

Google Verified

"I had an outstanding experience with Dr. Zuaitar. As a general dentist myself, I hold dental treatment to a very high standard, and I can confidently say the care I received exceeded my expectations. From the diagnostic process to the completion of the dental procedure, everything was handled with exceptional professionalism, precision, and attention to detail. Dr. Zuaitar was thorough in explaining the treatment plan, extremely gentle throughout the procedure, and demonstrated excellent clinical skill and efficiency. The procedure was remarkably comfortable, and I felt completely at ease the entire time. The office staff was also welcoming, organised, and professional, making the overall experience seamless from start to finish."

Onur Narinc Onur Narinc

Onur Narinc

May 20, 2026

Google Verified

"The employees and doctors inside were very interested. I came for root canal treatment and left painlessly in half an hour. Thank you to Dr. Hashim"

Cynthia Utterback Cynthia Utterback

Cynthia Utterback

May 20, 2026

Google Verified

"Everyone was very helpful, friendly, and professional. The endodontist did a great job."

Demetra Demetra

Demetra

May 20, 2026

Google Verified

"My sincere appreciation to Dr. Kargoli, and his amazing staff for the amazing care during my recent oral surgery (which I was very nervous about), but Dr. Kargoli, explained how necessary it was and how it would be done and I was scheduled very promptly. The entire staff are so professional, courteous and thorough. The surgery went very well, and my after-care instructions were thorough and clear. I received a post-procedure telephone call to check how I was doing and if I needed anything or had any questions or concerns. Dr. Kargoli saved a tooth in a prominent position that would have taken time and great expense to replace. Thank you so much for the excellent care. You allayed my fears and I knew I was in excellent hands. Highly recommend this awesome practice."

Common questions

If you're experiencing tooth pain, prolonged sensitivity to hot or cold, swelling near a tooth, or have been told you may need a root canal — an endodontist is the right specialist to see. Most patients are referred by their general dentist, but you're also welcome to contact us directly.
A root canal removes infected or damaged tissue from inside your tooth, relieves the pain causing you grief, and seals the tooth to prevent future infection. With modern anesthesia and technique, the procedure itself is no more uncomfortable than a routine filling. Most patients are surprised by how easy it is.
Endodontists complete two to five additional years of specialty training beyond dental school, focused entirely on the diagnosis of tooth pain and treatment of the dental pulp. Our doctors perform over 25 root canal procedures per week — a level of volume and focus that makes a measurable difference in outcomes.
Yes — every day. If you're in significant tooth pain, call us immediately. We offer same-day emergency appointments across all five of our Northern Virginia locations and will provide first-aid guidance over the phone while you're on the way.
This happens, and it's exactly what retreatment is for. Our endodontists are experienced in diagnosing why a previous root canal has failed and performing retreatment to give the tooth a second chance — even in complex cases.
We accept most major dental insurance plans and will help you verify your coverage before treatment. For out-of-pocket costs, we offer financing through Cherry — flexible payment plans you can apply for in minutes.
Coverage & Payments

Insurance & Financing

We believe cost should never be the reason someone avoids saving a tooth. We accept most major dental insurance plans and offer flexible financing options to cover the rest.

Dental Insurance

We accept most major dental insurance plans. Our team will verify your coverage before your appointment and walk you through exactly what is included — no surprises, no guesswork.

  • Benefits verified before your appointment
  • Clear cost breakdown provided upfront
  • Most major PPO plans accepted
Verify My Coverage

Flexible Financing

For out-of-pocket costs, we offer financing through Cherry and CareCredit — flexible payment plans you can apply for in minutes, right from your phone.

  • Apply in minutes from your phone
  • Low monthly payment options available
  • No reason to delay necessary care
Cherry Financing CareCredit

Have questions about coverage or financing? Our team is happy to walk you through your options before your appointment.

Contact Us About Coverage

Request an Appointment

Fill out the form below and our team will contact you to confirm your appointment time, preferred location, and any insurance questions. For dental emergencies, please call your nearest location directly.