Meet our Team


Our Doctors

Frank Prezioso - Orthodontist in Yardley, PA

Frank C. Prezioso, DMD

Dr. Prezioso majored in Biology and graduated cum laude from Harvard University in 1981. He received his doctorate from the University of Pennsylvania School of Dental Medicine in 1985. Since then, Dr. Prezioso has continued his professional education by successfully completing advanced training in:
  • Cosmetic Porcelain Veneers (University of Pennsylvania)
  • Implant Restorations (Branmark System)
  • Periodontal Surgery (New York University)
  • Orthodontics (United States Dental Institute)
Dr. Prezioso is a member of the American Dental Association, Pennsylvania Dental Association, Bucks-Montgomery Dental Association, International Orthodontic Association, and American Academy of Dental Sleep Medicine. He is also a Certified Invisalign Provider.

Believing in the importance of giving back to the community, Dr. Prezioso provides dental care to low-income, uninsured children through the BCHIP program of Bucks County and to low income, uninsured, and disabled adults through the Donated Dental Services program.

Robert G. Denmark, DMD, MPH

Dr. Denmark attained his Bachelor of Science from Syracuse University. He attended dental school at the University of Pennsylvania School of Dental Medicine where he graduated with honors. Dr. Denmark then attended Harvard University, graduating magna cum laude with a Master's of Public Health. In addition, he was valedictorian of his Harvard University, School of Dental Medicine Periodontology Certificate program, and his research was part of the 1995 International Orban Prize.

Upon graduation, Dr. Denmark earned an appointment as a Clinical Assistant Professor and Group Leader at the University of Pennsylvania, School of Dental Medicine. His research has been published in international journals and he continues to lecture to groups of general dentists.

Dr. Denmark has held membership in the American Dental Association, the American Academy of Periodontology, the Northeast Society of Periodontists, the Pennsylvania Dental Association, and the Massachusetts Dental Association.

As a team, Dr. Prezioso and Dr. Denmark have accumulated over twenty years of excellence in education and thirty-five years of clinical expertise. Working together, they will restore your dentition to an optimal level and assist you in maintaining this health for a lifetime.
Robert Denmark - Orthodontist in Yardley, PA
Jan - Orthodontist in Yardley, PA


Jan is a Registered Dental Hygienist who graduated from dental hygiene school in Buffalo, NY before moving to Orlando, FL. She lived and worked in Florida for fifteen years before moving to Pennsylvania. In 2003, Jan became a member of Dr. Prezioso's team and works full-time. Taking pride in her ability to provide quality dental care while being gentle is Jan's priority. She is empathetic and truly cares about making her patients comfortable during a sometimes uncomfortable appointment at the dentist. She is a member of the American Dental Hygienist's Association, The Greater Philadelphia Dental Hygiene Study Club, and the Langhorne Neighbors' Association. In her spare time, Jan enjoys spending time with her children, family and friends. Scrapbooking is a favorite hobby for which she would like to make more time.


Patti is our orthodontic assistant. She received her certification as an Expanded Function Dental Assistant and a Certified Dental Assistant from Central Montgomery County Vocational Technical School. Patti attended Montgomery County Community College and had clinical training at Temple University School of Dentistry. Her orthodontic training is through the United States Dental Institute. Our orthodontic patients love her cheerful attitude, gentle touch and the confidence that she possesses in her understanding of orthodontics. She has been a part of our team since 2004. In Patti's free time, she enjoys travel, entertaining, cooking, dancing and spending time with family and friends.
Patti - Orthodontist in Yardley, PA
Cecilia - Orthodontist in Yardley, PA


Cecilia has been a wonderful addition to our practice. She is the smiling face who will greet you when you arrive at the office, and she will handle your insurance with expert determination. Cecilia has had several years of experience in dentistry and has been working with Dr. Prezioso since 2010. She attended Central Montgomery County Vocational Technical School to become a Certified Dental Assistant. She taught dental assisting at North Montco Vocational Technical School and Western Montco Vocational Technical School. Cecilia loves music, photography and spending time with family.


Kelli is a talented dental assistant who is passionate about creating beautiful smiles. She was trained at Harcum College and graduated with her degree from Penn State. She has the "Gift of Gab" and loves volunteering and making a difference in the lives of the people she meets through touch and connections. When she is not at our office, she uses her talents as a Reiki Master and Mediation Therapist working as a Hospice Therapy Counselor. Kelli has been a part of our team since 2013 and is committed to making your dental visit as comfortable as possible.
Kelli - Orthodontist in Yardley, PA
Maureen - Orthodontist in Yardley, PA


Maureen is the newest member of our team, having started working with us in 2014. She graduated with a degree in dental hygiene from Middlesex County College then completed her Bachelor's in Liberal Arts at Thomas Edison State College. She works with us part-time and spends the rest of her time volunteering at her children's school as room mother, being the "cookie mom" for her daughter's Girl Scout troop, and cheering on her children in plays and musical gigs. Maureen is dedicated to educating her patients in oral care in order to help them prevent dental disease.

Charlie Chompers

Charlie has been our office mascot since 2011. He enjoys spending time with the children that come to our office. Sometimes he sits with them while Dr. Prezioso is fixing their teeth. Other times, Charlie helps us teach people proper brushing and flossing techniques.
Charlie Chompers - Orthodontist in Yardley, PA