Dean Duncan, DDS, Eric Scharf, DDS, Mugdha Patwardhan, DDS, MD, Joseph Yang, DMD, MD, MBE, and Len Tolstunov, DDS, DMD, offer dental implants, wisdom teeth removal, and more in San Francisco, California.


Comfortable and comprehensive care

The city of San Francisco is 7 miles by 7 miles. All of our offices are located within this radius, allowing us to provide outstanding oral surgery care to Bay Area patients and this beautiful, historic community. Our oral surgeons and specialists are dedicated to providing every patient with attentive care and personalized treatment. At 7x7 Dental Implant & Oral Surgery Specialists, you can depend on our years of extensive training and research that have led us to become a highly regarded and caring practice. We believe in treating patients comfortably, which includes offering various anesthesia options for treatments such as dental implants, wisdom teeth removal, full-arch restoration, and more.

Oral surgery services

Our team of highly trained specialists can assess and treat a wide range of oral surgery conditions for patients of all ages.



There often isn’t enough room in the mouth for wisdom teeth, and it is usually recommended to remove them early.




A dental implant is a popular and realistic-looking tooth replacement option that can replace one or more missing teeth.




This revolutionary treatment option can replace an entire arch of teeth, giving you a complete, natural-looking smile.

All Procedures

Our philosophy

Our practice was founded in 1980 by Dr. Duncan, where this practice's superior standard of patient care began. 7x7 Dental Implant & Oral Surgery Specialists provides exemplary service and care using the most advanced technology available. We continue to raise the bar by creating a pristine and welcoming environment where patients can expect to receive gentle, comprehensive care. At 7x7 Dental Implant & Oral Surgery Specialists, you are more than just a patient—you’re family.

Meet Our Team

Meet Dr. Duncan

Dr. Duncan is board-certified by the American Board of Oral and Maxillofacial Surgery and established his oral surgery practice in 1980 in the West Portal District.

Meet Dr. Scharf

Dr. Scharf is board-certified by the American Board of Oral and Maxillofacial Surgery and is a fellow of the American Association of Oral and Maxillofacial Surgeons.

Meet Dr. Patwardhan

Dr. Patwardhan is a member of the American Dental Association, New York Dental Association, and Bronx County Dental Society.

Meet Dr. Yang

Dr. Yang graduated in the top 10 of his dental school class and completed his combined medical degree/oral and maxillofacial surgery training at UCSF.

Meet Dr. Tolstunov

Dr. Tolstunov is a Diplomate of the American Board of Oral and Maxillofacial Surgery, the American Board of Oral Implantology, and the International Congress of Oral Implantologists.

How can we help?

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