Our Team
Our team of dedicated dental health professionals are here to serve you. We combine extensive knowledge in the field of dentistry with a passion for helping people love their smiles. It is our goal to create a friendly and professional atmosphere that you can rely on for all of your dental needs.
We are dedicated to staying on top of the latest diagnostic tools and treatments. It is our goal to give our patients healthy smiles of which they can be proud. We want to achieve that goal as easily as possible for our patients.
We couldn’t be the office we are without our staff. They are always helping patients by giving them the information they need to make the right decision. Our staff will discuss all of your options and what to expect. They are here to answer your questions and address your concerns. It is their goal to give you a satisfying experience every time you walk through our doors. Quite simply, they are great at what they do!
Our Dentists
Dr. Chris Karavolas
Dr. Karavolas was born in Salem, MA, and raised in Madison, WI. He completed his undergraduate study at the University of Wisconsin-Madison. He went on to attend the University of Minnesota School of Dentistry, graduating with distinction. After dental school, he completed a general practice residency at Illinois Masonic Hospital.
Dr. Karavolas moved to Massachusetts and joined his cousin Dr. John Caravolas to form a family dental practice in 1994. He is also active in organized dentistry with membership to the American Dental Society, Massachusetts Dental Society, and Middlesex Dental society.
Dr. Karavolas along with his wife Lisa and two children Harry and Annie reside in Needham MA. Chris is active in his community by volunteering as a hockey as well as baseball coach. In this spare time, he enjoys golf and running.
Dr. Karavolas is committed to offering exceptional care to his patients and staff. He values treating everyone that walks through his doors with dignity and respect and looks forward to supporting all of your dental health needs.
Dr. Arvi Duka
Dr. Duka received his DDS degree in 2001 from the University of Medicine and Pharmacy “Carol Davila” Bucharest. Moving to Boston from his native Albania, Dr. Duka attended and graduated with honors from Boston University Goldman School of Dental Medicine, Advanced Standing Program. Upon receiving his DMD degree, Dr. Duka was immediately invited to join the faculty at the pre-doctoral program at BUGSDM, where he currently holds the position of Clinical Assistant Professor at the Emergency and Oral Diagnosis Department. In addition to his work at BUGSDM, he has for many years involved himself in scientific research, publishing in well-known scientific journals. Dr. Duka is a member of the American Dental Association, Massachusetts Dental Society, and Metropolitan District Dental Society.
Dr. Duka and his wife have been part of multiple community projects such as the Special Olympics Special Smiles, Medical Missions for Children, and the Alpha Omega Henry Schein Cares Holocaust Survivors Oral Health Program in addition to many more. Outside of the office, Dr. Duka enjoys traveling, soccer, biking, and spending time with his family and young children named Alex and Elise.
Dr. Gregory Nielsen
Dr. Nielsen brings a wealth of experience, compassion, and a genuine commitment to patient-centered care. Originally from Northern Virginia, Dr. Nielsen spent many summers with extended family in Marshfield, Massachusetts, which helped shape his deep appreciation for the New England community he now calls home.
He earned his BA in Chemistry with a minor in Spanish from the University of Virginia, and went on to graduate summa cum laude from Boston University School of Dental Medicine. During his time there, he was honored with election to the prestigious Omicron Kappa Upsilon dental honor society.
Dr. Nielsen completed a two-year General Practice Residency at the University of Virginia Hospital, receiving advanced training across a range of dental specialties, including oral surgery, sleep dentistry, endodontics, orthodontics, and periodontics. A particularly meaningful part of his residency involved collaborative work with the head and neck cancer division, where he helped prepare patients undergoing radiation therapy—an experience that deepened his understanding of the intersection between dental and medical care.
Following his residency, Dr. Nielsen returned to the Boston area, where he has been serving patients in private practice. He is known for his thoughtful approach to dentistry, taking time to understand each patient’s goals and expectations in order to provide truly personalized treatment.
Outside of the office, Dr. Nielsen lives in South Boston and enjoys golf, basketball, and bike riding. He’s also a passionate science fiction reader—feel free to share your favorite book recommendations with him! While he remains a loyal Virginia sports fan at heart, he admits he’s slowly becoming a Boston sports convert.
Our Hygienists
Kristin
Our dental hygienist Kristin joined the practice in 2020, fitting right in and bringing a wealth of experience with her. Kristin’s dental training began decades ago in Brookline, MA, where she worked as an assistant in a periodontal office for 15 years. Building on these skills, Kristin later completed dental hygiene school at Mount Wachusett in Gardner, MA, and has been a highly sought-after hygienist ever since. When not in the office, Kristin enjoys gardening, reading and spending time with family and friends.
Cami
Cami is a dental hygienist, who joined Karavolas Dentistry in 2020 as a front desk receptionist and has been a vital member of the team ever since. Cami knew even as a teenager she wanted to pursue a career in dentistry. She worked hard to achieve this dream, ultimately graduating with a Bachelor of Science in Dental Hygiene at Forsyth School of Dental Hygiene in Worcester, MA. Outside of the office, you’re most likely to find Cami hanging out with friends and family, at the gym, or flying down a mountain on her snowboard!
Our Dental Assistant
Sara
Sara joined Karavolas Dentistry in the summer of 2025 after graduating from Simmons University with a degree in Biology. While at Simmons, she was an active member of the Pre-Health Liaison, serving as the Pre-Dental Chair, where she loved connecting with other students pursuing healthcare careers. Sara is currently enjoying her gap year while applying to dental schools. Outside of work, you can often find her out on a run, lost in a good book, or spending quality time with her friends and family.
