Our entire dental team is dedicated to your health and helping you maintain your beautiful smile for many years to come. We look forward to getting to know you and your family.
Aaron Schamback, DMD
Cosmetic Dentistry & Practice Owner
Dr. Aaron Schamback was raised in Martin County. He has a passion for practicing dentistry and takes great pleasure in changing patients’ lives through their smiles. He enjoys the fine detail that dentistry requires.
Dr. Schamback received his Doctorate of Dental Medicine from the University of Florida College of Dentistry. He completed his general practice residency, which included prosthodontics and dental surgery, in Denver.
- American Academy of Cosmetic Dentistry
- American Dental Association
- Academy of General Dentistry
- Florida Dental Association
- Treasure Coast Dental Society
Dr. Schamback has a strong commitment to continuing education. He averages more than 100 hours per year of continuing education, though the Florida state requirement is 30 hours every two years. Dr. Schamback provides the best and most advanced techniques in dentistry.
- New York University College of Dentistry – Rosenthal Institute for Aesthetic Dentistry
- Nash Institute for Dental Learning – trains dentists in the latest techniques and procedures in cosmetic dentistry
- Spear Education – founded by Dr. Frank Spear, one of the most recognized educators in cosmetic dentistry
- Hornbrook Group – founded by Dr. David Hornbrook, international lecturer and published writer in many leading dental journals
- Implant Seminars – founded by Dr. Arun Garg, who has taught surgical training workshops since 1989 and has authored books on implant dentistry that are being translated into eight different languages
- Dental Organization for Conscious Sedation (DOCS) Education – IV Sedation Dentistry
Dr. Schamback has three sons. He enjoys outdoor sports such as diving, fishing, and kiteboarding, and staying fit.
Justin Schwartz, DMD
Periodontist & Surgeon
Dr. Schwartz is originally from Cape Town, South Africa. He has always found the area of dentistry to be intriguing since his father has been practicing since 1967. When he was 10 years old his family immigrated to South Florida. He received his Bachelor of Arts at the University of Florida in 1998 and continued to attend the University Of Florida College Of Dentistry where he received the Research Honors award before graduating as a Doctor of Medicine in Dentistry.
As he continued his education he knew that he did not want to stop there and enrolled in post-doctoral studies at Boston University. After 3 years of surgical training he not only received his advanced training certificates in Periodontology, he also graduated with a Master of Science in Microbiology. Since then he has been practicing in South Florida for over 12 years and has been a part of our team for over 10 of them! He is an expert in gum surgery and the best trained Periodontist on the treasure coast; having placed over 10,000 implants! He continues to learn and grow in the dental field, having completed 200 hours OVER the required minimum to ensure that he is able to provide our patients with the best dental care available. He is highly trained in fields such as medical management, advanced life support and intravenous sedation.
While his love of dentistry keeps him very busy, he always makes time to have fun with his wife and two children. They are active in their community and enjoy going on cruises as well as visiting local parks and science museums. Not only does he love spending time with his family, he finds peace and relaxation when reading and can immerse himself into the pages of a good book. Another hobby of his is building model airplanes such as jet fighter replicas. He finds the process to be both challenging and a soothing way to unwind from a busy week. We are honored to have Dr. Schwartz as a part of our family!
Christina Tseng, DDS
Dr. Tseng was born in Los Angeles, CA. When she was very young her family decided to make the big move to Sebastian, FL. She attended the University of Florida and received her undergraduate degree in Nutritional Sciences. After completing her undergraduate studies, Dr. Tseng moved up the coast to attend the State University of New York at Buffalo and received her Doctorate of Dental Surgery. She stayed in the Park Slope region of Brooklyn, NY where her clinical experience included managing medically complex cases, pediatric patients, restorative dentistry, removable and fixed prosthodontics, oral surgery and endodontics.
Wanting to live closer to her family she returned home to Florida, and has been practicing here ever since. Dr. Tseng is also a member of the American Dental Association and the Florida Dental Association. Not only does she enjoy helping her patients day to day, she is also highly involved in extensive volunteer work. She has provided comprehensive dental care to poverty stricken areas of Vietnam and Mexico as well as being an active member in the Big Brothers, Big Sisters organization.
While all of these things bring her immense joy, there is nothing like a night alone with her family. She and her Fiancé are first time parents to their son, Mason and they enjoy the great weather on the beach as well as traveling and enjoying different cuisines! Dr. Tseng has been a part of our dental family for over 4 years and we have truly enjoyed joining together to change people’s perception of dentistry.
“Just knowing that we can turn years of bad experiences into a future of great ones is a great feeling!” – Christina Tseng, DDS
Jay Gelman, DMD
Dr. Gelman was raised with his 2 younger sisters in the heart of New York City. He enjoyed playing baseball in high school which taught him the importance of team unity. He soon realized that he wanted to become a part of something amazing when he grew up. Staying close to his roots he graduated from Boston University with his Bachelor of Arts and Doctorate of Dental Medicine. He completed his residency training at the Beth Israel Medical Center in Manhattan, NY. They are known for their unique approach to combining medical excellence with clinical innovation, which was very exciting for a young doctor like himself!
After practicing for 3 years he married his wife of now 27 years and they made the decision to move down south to start a family away from the cold winters of The Big Apple. They moved to Jupiter, FL where he practiced general dentistry for almost 17 years! Dr. Schamback knew that he would be an excellent addition to our growing dental family and brought him on in 2012. He is a member of the Florida Dental Association and has been trained in the field of Endodontics by the world-renowned specialist Stephen Buchanan, DDS.
Along with his true love of dentistry, Dr. Gelman also enjoys spending time with his wife and two kids. His son Arthur is currently studying Computer Technology and his daughter Amanda is hoping to graduate with a career that involves children. When the kids are away at school, he and his wife Nina enjoy being outdoors and cooking delicious Italian food with fresh ingredients from their garden! He has been an amazing addition to our family for the past 6 years and is loved by so many patients due to his wonderful and caring personality.
Marcel Gegati, DMD
Dr. Gegati is from Beirut, Lebanon. When he was 16 years old his family decided to move to Paris, France. Growing up with two younger siblings they all enjoyed taking family vacations and playing tennis together. Coming from such a strong family background, he always strived to make them proud. He received his Bachelors of Science from Ecole Pascal in Paris, France. He then went on to attend Faculte de medicine de broussais hotel dieu for two years as a pre-med for dental school.
After graduation he traveled through Europe, in that time he became fluent in English, Spanish and Arabic on top of his first two languages Hebrew and French. In 1973, he decided to expand his cultural horizons and moved to Montreal, Canada where he attended Faculté de médecine dentaire - Université de Montréal, graduating with his Doctorate of Dental Medicine. He continued practicing there over the next 21 years, in that time he was married and had 2 children. In 2004 they decided as a family they wanted to explore a warmer climate and moved to Fort Lauderdale, Florida. He practiced there for the next 12 years before he came on as an associate with us here at Great Smile Dental in 2016.
Dr. Gegati has obtained advanced training in cosmetic reconstruction, implant-supported restorations, sleep dentistry, treatment under general anesthesia, rotary endodontics, periodontic soft tissue management and laser surgery.
While he truly enjoys getting to know his patients, he loves spending quality time at home with his family. His daughter is currently studying for a degree in business and his son is working towards a career in movie production. They love going on cruises together and being outdoors playing tennis and ping pong! We couldn’t be happier to have such a culturally diverse and well rounded expert like Dr. Gegati on our team!
Bernarda Frias, DDS
Dr. Frias was born and raised in Santo Domingo, Dominican Republic. Growing up she enjoyed spending time with her close-knit family and was always a trailblazer. She knew that she wanted to do great things for many people and was the first to go to college in her family. She moved from the Dominican Republic to Long Island, NY where she attended Stony Brook Dental School; graduating with her Doctorate of Dental Surgery. She attended two different residency training programs, Saint Barnabas Hospital GPR in Bronx, NY and the Harlem Hospital in New York, NY.
Since then she has participated in many continuing education courses such as the Synergy Training Program by Biomet 31 LLC and multiple Implant Seminars including: Implant Dentistry Continuum and the Implant Dentistry Master Series. She continues her affiliation with the Atlantic Coast Research Clinic and the Dawson Academy for Advanced Studies, helping out whenever she finds the opportunity. Although her love for dentistry has no bounds she truly loves helping others. Her participation in dental mission trips to Nicaragua and volunteering at the Caridad Clinic has helped her create special bonds with hundreds of people.
Having all of these amazing accomplishments along with her dedication to the field of dentistry she does not let that take away from spending quality time with her husband, 9-year-old son, 2 ½-year-old twin daughters and their dog Princess! Family has always been number one and she loves being able to spend as much time together as possible such as dancing, cooking and cheering on her children at all of their games. Dr. Frias shares our passion for restoring oral health and transforming the lives of our patients. She loves interacting with different types of people and enjoys taking part in the process of improving their overall quality of life. We are so thankful to have her as a part of our dental family and we know you will too!