Rupi Buttar, DDS

Rupinder Buttar, DDSSan Rafael dentist Dr. Rupi Buttar is a general dentist and has been practicing dentistry since 2008 in the Bay Area. After receiving her dental degree (DDS) from the UCSF School of Dentistry Dr. Buttar went into community dentistry.

Dr. Buttar worked side by side for almost 2 years in a community clinic and pediatric dental practice where she gained first-hand experience serving the underserved community and experienced the power of compassion and limited resources to make dentistry work. During this time, Dr. Buttar cultivated her love and compassion of working with children and learned limited Spanish. She is a strong believer in prevention of dental problems like tooth decay and gum disease with patient education and communication.

To employ her academic skills, Dr. Buttar joined the UCSF School of Dentistry in 2010 as a full time faculty member. She served as a Course Director for International Dental Program students for 4 consecutive years, Lecturer, Clinical Coach, Instructor and mentor for domestic as well as International dental students. While at UCSF, she provided valuable input to the interview and selection process of dental school candidates and new faculty. Dr. Buttar taught at UCSF for 7 years.

Dr. Buttar is an active member of the American Dental Association (ADA), California Dental Association (CDA), Marin County Dental Society (MCDS), and a volunteer with the Gerstle Park Neighborhood Association. Dr. Buttar regularly attends workshops and continuing education courses about the latest dental techniques.

Nathalie Sardenberg, DDS

Nathalie Sardenberg, DDSDr. Nathalie Sardenberg graduated from dental school in 2002 in Brazil and worked for 15 years in her successful private practice. Fueling her passion for knowledge, she specialized in Endodontics, mastering intricate root canal procedures with precision and ease.

In 2017, Dr. Nathalie Sardenberg moved to Michigan to work at the prestigious University of Michigan, immersing herself in the cutting-edge world of nanotechnology for tissue regeneration in Endodontics. Her proficiency led to acceptance into the UCSF School of Dentistry. This endeavor reflects her commitment to lifelong learning and dedication to offering the best possible care to patients.

Dr. Nathalie is an active member of the American Dental Association (ADA), California Dental Association (CDA) and American Association of Endodontists (AAE). Beyond her professional work, she is passionate about nature and always finds herself exploring new hikes around the Bay.

Our Team


Treatment Coordinator & Front Desk Manager

Joseline is our treatment coordinator and manages the front desk. She has been in customer service since 2015 and loves working with people. She is a Marin local and enjoys travel and new cuisines. She is interested in continuing her education and pursuing a career in the dental field.

Joseline is bilingual, being fluent in Spanish.

Amanda McSwain

Registered Dental Assistant

Amanda McSwain
Amanda has been in the dental field since 2007. She is originally from San Rafael and completed her Registered Dental Assistant (RDA) program at College of Marin in Kentfield. Her favorite aspect of dentistry is helping patients feel comfortable and educating them on how to maintain good oral health.

Her cheerful disposition and commitment to dental field are evident in her interactions with patients and staff. Outside of dental office, Amanda enjoys spending time with her family and pets.