It all starts with a smile.

Lets Smile Cosmetic Dentistry of Fairfax is a family practice with an upbeat, friendly environment. Our dental team is knowledgeable and highly trained, and our dentist and staff are gentle and can put any patient at ease.

Meet the Doctor

Dr. Mark Carl

Dr Mark Carl DDS - COSMETIC DENTIST

When it comes to preserving, enhancing and beautifying our smiles, we all want the best. The best care. The best service. The best results. It’s as simple as that. Mark Carl, DDS is a unique kind of dentist. He takes a gentle approach, easing any concerns you might have by providing valuable patient education. He listens so he can best understand your particular needs. Then he strives to provide the highest standard of personalized dental care using his skilled training in the latest advances in dental technology. As a graduate of Georgetown University for his Doctorate of Dental Surgery and taught at that institution for four years thereafter. Dr. Carl is a member of the American Dental Association, Virginia Dental Association, Northern Virginia Dental Society, and International Association for Orthodontics.

Dr. Joseph Alwan DDS - GENERAL DENTIST

Dr. Joseph Alwan DDS - GENERAL DENTIST

With over 25 years of dedicated service, Dr. Alwan is always committed to ensuring a pleasant dental experience for his patients. Earning his Bachelor of Science in neuroscience and a Master of Science in oral biology from the prestigious UCLA. In 2008, he earned his Doctor of Dental Surgery (DDS) from Loma Linda University School of Dentistry. After Dental School, he served in the US Army for 8 years, during which he earned several certificates in dental education and commendations for superb performance. In 2016, he settled in Virginia with his wife and two children.

Dr. Alwan, an experienced and dedicated dentist, specializes in cosmetic and implant dentistry, consistently delivering excellent service and striving for exceptional results.

Single Dental Implants


Superior dental implant outcomes and an elevated patient experience through our extensive training & advanced technologies.

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All-On-4 &
All-on-6 Implants


A cost-efficient, graftless solution providing patients with a fixed full-arch prosthesis in just one day.

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TMJ Therapy



Jaw joint discomfort can be challenging to manage. Fortunately we offer treatment options to relieve and soothe joint pain.

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Wisdom Teeth Removal


Our expert team brings extensive experience to wisdom teeth extraction, utilizing efficient and safe procedures which promote proper healing.

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Call today to schedule a consultation! (703) 968-4300