Meet our Team
Meet Our Team!
The entire staff at Dr. Potesta-Knoll's state-of-the-art dental and prosthodontic practice in San Francisco's Marina neighbordhood, share a commitment to providing professional, conscientious and friendly service. From the minute patients walk in, through the treatment and cleanings they receive, to booking follow-up appointments on the way out, the blue-chip team aims to please. Each staff member is dedicated to offering the highest level of patient care and services possible.
The administrative team facilitates scheduling and is knowledgeable about dental insurance policies, while the highly-experienced and fully certified staff of dental assistants and hygienists are dedicated to ensuring treatment is safe and comfortable. The entire staff adheres to the strictest protocols of infection control and sterilization, and the dental team are all CPR certified.
In addition, the team is multilingual and willing to communicate with patients in their native language. Those spoken here are: English, Spanish, Cantonese, Mandarin, and Tagalog.
Dr. Fiorella Potesta-Knoll
Dr. Fiorella Potesta-Knoll is a top-rated dentist and prosthodontist in the San Francisco, CA, region, offering patients a broad array of state-of-the-art treatment options to help them enjoy optimal oral health and function, including preventive, restorative, cosmetic and rehabilitative procedures. At her practice on Union Street in the heart of San Francisco, Dr. Potesta-Knoll uses the most advanced techniques to perform everything from routine dental exams and cleaning appointments to complex maxillofacial prosthetics procedures, including fillings, immediate dentures, and dental implants. The office is also equipped to handle emergency dental care, including toothaches and lost or broken tooth emergencies.
Dr. Potesta-Knoll has extensive experience treating patients of all ages and performing complex oral procedures, including rehabilitative and reconstructive procedures following trauma, cancer treatment, and surgery. Her special interests include removable and fixed prostheses, dental implant restorations, occlusal and TMJ disorders, and restoration of maxillofacial prostheses.
After receiving her dental degree, Dr. Potesta-Knoll completed a three-year residency in Advanced Prosthodontics and earned her Master’s degree in Implantology from The University of Alabama at Birmingham (UAB), where she also completed a one-year fellowship program in Maxillofacial Prosthetics. Following her training and education, she joined the faculty in the UAB School of Dentistry Department of Prosthodontics. Before setting up her practice in California, Dr. Potesta-Knoll was on the staff of the prestigious MD Anderson Cancer Center in Orlando, Florida. In addition to her private practice, Dr. Potesta-Knoll is a clinical instructor at University of the Pacific Arthur Dugoni School of Dentistry in the Department of Removable Prosthodontics.
Dr. Potesta-Knoll is board-eligible for the American Board of Prosthodontics, and is a member of the American College of Prosthodontists, the American Dental Association, the International Academy of Maxillofacial Prosthetics, and the San Francisco Dental Society.
When not caring for her patients, Dr. Potesta-Knoll participates in medical mission trips and has taken part in trips to Mexico and the Dominican Republic, performing cleft palate surgeries and implant procedures. The mother of three children, Dr. Potesta-Knoll was born in Lima, Peru, and speaks both English and Spanish.
Stephanie Zaczek, Hygienist
Stephanie has been serving patients as a certified hygienist at Dr. Fiorella Potesta-Knoll’s San Francisco dental practice for 17 years. She believes an integral component to helping our patients achieve and maintain long-term oral health is being proactive with excellent oral hygiene education and care. Quality care and patient comfort are Stephanie’s top goals. She considers herself fortunate to be part of such a wonderful profession, and enjoys working with Dr. Potesta-Knoll and all of her wonderful patients.
Stephanie was born in London, England, and moved to San Francisco with her family when she was ten years old. She received her undergraduate degree in biochemistry from UC Berkeley. After UC Berkeley, Stephanie went on to UC San Francisco, where she received her dental education and graduate degree.
When not practicing dental hygiene, Stephanie enjoys spending time with her family and friends. She and her husband have two children, Jennie a college student at UC Davis, and Nicholas who is in high school.
Karen Boulton, Registered Dental Hygienist
Karen joined Dr. Potesta-Knoll’s San Francisco dental practice in 2007. She earned a Bachelor of Science degree in Dental Hygiene from Loma Linda University in Southern California.
Karen has a long and varied clinical career. She has practiced dental hygiene in the west Los Angeles area and most recently, the Bay Area, where she has lived since 1983. She also spent 6 years in Canada, where she provided dental hygiene treatment for a periodontist. In addition to providing daily patient care, Karen has served as a clinical instructor at the USC dental school in Los Angeles. She has also served as an examiner for the California State dental hygiene board exam. Karen’s practice settings have included periodontal, prosthodontic, and general practices. She enjoys working for Dr. Postesta-Knoll, and alongside such an amazing staff. Karen finds great satisfaction in providing individualized educational, preventive, and therapeutic dental hygiene services to her patients.
Karen resides in nearby Marin County with her husband, Michael. She is a tennis player and fan, and enjoys staying fit with healthy cooking, walking, and working out.
Michelle Hernandez Camus, Registered Dental Hygienist
Michelle has over 32 years of experience working in the dental field. After completing her BA degree at Sonoma State University, she acquired her skills as a dental assistant and dental practice consultant while working at some of the best dental practices in the Bay Area. At Corinthian College she served as the Dental Assistant Program Director and taught, as well as hired the entire staff of instructors for the program. As a result, she received an award for the “Best of the West Instructor of the Year”. She has also taught for the Dental Post Baccalaureate Program at San Francisco State University.
Beneath Michelle’s friendly smile and warm personality lies a generous heart that cares deeply for all of her patients. She did her internship at the Global Health Outreach where she treated the native people in Ecuador and in the Amazon. She has volunteered her time to the International Humanitarian Dental-Medical Mission in Mexico where she treated the natives in the migrant farming camps and the children of migrant workers in three orphanages. She has also been part of a medical/dental clinical team at the City Team International Ministries in San Francisco, where she trains students to treat homeless individuals on the way to improve their dental hygiene.
Michelle’s patients know that they are in good hands with her caring and skillful attention to detail.
In her spare time Michelle sings with the City Church Choir at Davies Symphony Hall every Easter Sunday and is also a member of the Beatles Choir where she sings to cheer hospice resident patients in Laguna Honda. She also enjoys playing golf, tennis, running and gardening.
Alan Garcia, Dental Assistant
Bio coming soon
Pamela Buendia, Intern
Bio coming soon
Hannah Heintz, Scheduling Coordinator
Hannah comes to us from Washington State and is relativity new to the bay area. However, she is loving the city and all the beauty that comes with it. While she originally earned her Zoology degree in school, she found a deep love for the dentistry field and has been working in a dental office ever since. Her mother also works in a dental office and her boyfriend is currently in dental school. You could say dentistry runs in her family! She has enjoyed getting to know the patients at the office and of course, the beautiful view of the golden gate bridge. Hannah loves the calm and welcoming environment the office provides, and the wonderful staff that contributes to that.
In her free time, Hannah enjoys exploring the city with her dog Poe and loving boyfriend.
Susan Johns, Office Manager
Susan, the office manager, has been working at the dental practice for over 20 years. She earned a bachelor’s degree in psychology from the University of Southern Maine. Susan loves the location of our dental office – with it’s amazing view of the San Francisco Bay and Golden Gate Bridges. She also enjoys working with a friendly, highly qualified team, an amazing dentist, and exceptional patients who have become family. Susan is a team player who helps wherever she can and strives to provide the best possible customer service and care.
Susan grew up in the suburbs of Boston and now resides in Marin County with her husband and children. In her free time, she enjoys painting, skiing, hiking, camping, and exploring with her family.
Dr. Steven Sadowsky
Dr. Sadowsky is professor in the department of Preventive and Restorative Dentistry at the University of the Pacific Arthur A. Dugoni School of Dentistry. He was in full-time private practice limited to prosthodontics for 35 years. Dr. Sadowsky is past-president of the American Prosthodontic Society and president of the Pacific Coast Society for Prosthodontics, as well as fellow of the Academy of Prosthodontics and the American College of Prosthodontists. He has directed the American College of Prosthodontists Annual Review Course for 5 years. He is a diplomate of the American Board of Prosthodontists and has been invited to sit on the editorial review boards of The Journal of Prosthetic Dentistry, the International Journal of Oral and Maxillofacial Implants, and the International Journal of Prosthodontics. He is Abstract Editor of the International Journal of Prosthodontics and has been appointed to the editorial council of the Journal of Prosthetic Dentistry. Dr. Sadowsky has published more than 20 articles in peer-reviewed journals, mainly on the topic of implant dentistry. He is the 2016 American College of Prosthodontists recipient of the Presidential Citation and the 2018 recipient of the Ken Wical Award for Excellence in Prosthdontics. Dr. Sadowsky has edited a book, titled Evidence-based Implant Treatment Planning and Clinical Protocols.