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Donna is a Licensed and Registered Detal Hygienist and the Lead Hygienist of Flossbar. She is an active member of the American Dental Hygiene Association and is certified in CPR and Advanced Cardiovascular Life Support. She graduated from Briarwood College with a certificate in Dental Assisting, and went on to work In Montefiroe Medical Center Department of Dentistry. There she had the opportunity to work with some of the top accredited dentists and Oral Maxillofacial surgeons in New York State. This is where her passion for dentistry developed and she decided to further her education at New York University.  

Working as a full time dental assistant and a part time student she graduated in 2011 with an Associates Degree in Applied Science and certification to administer and monitor local infiltration and nitrous oxide. 

For the next eight years up until the present day, Donna has worked in dental practices throughout New York City and  Westchester County.  She has a true passion for health care and education that extends to both her patients and colleagues. This is why she loved the idea and mission of Flossbar. She gets the pleasure of providing patient care along with collaborating in the development and growth of the company. 


Dr. Geri Robin

“Art has always been a major part of my life, and my dental profession is just a continuation of it. I try to apply aesthetics to all the disciplines within dentistry. Treating my patients with this philosophy, whether it’s for general or cosmetic dentistry, brings me great satisfaction and untold rewards. Although many cases may become quite challenging, my staff and I find a true sense of achievement in our work and in the relationships that are formed from it.”


Dr. Alexander J. Antonakos

Dr. Alexander J. Antonakos graduated from NYU College of Dentistry in 1986. He was granted acceptance to the Dental school from high school in a special program for gifted students and completed his undergraduate degree at NYU in three years rather than the usual four.  He was a published researcher at the NIH, (National Institutes of Health) before having graduated high school. Since graduating from New York University Dr. Antonakos has completed several advanced post-graduate courses in different fields of dentistry.
His emphasis on patient comfort as well as keeping up-to-date with the latest advancements in dentistry enable him to provide his patients with the best quality of care in the field. Dr. Alexander J. Antonakos has a wide range of experience in different areas of dentistry, from cosmetic and general dentistry to surgical procedures and root canal treatments.
His approach to your treatment starts with patiently listening to you. Then, after a complete and thorough examination, he reviews and discusses the diagnosis and treatment options with you.
“I am proud to provide my patients with the highest standard of dental care, using the best in dental technology, for the treatment options we have chosen.  Patient comfort and satisfaction is my ultimate goal.  It is my pleasure to address your questions and concerns.”


Andrew Kocaturk, RDH

Andrew was Floss Bar's very first hygienist, because he is Eva's hygienist (Floss Bar's Founder)! He has 15 years of experience in the field and received his Bachelor's degree in Chemistry and Associate's in Dental Hygiene from the University of Wichita in Kansas. He has certificates in anesthesia and nitrous oxide administration. Andrew is excited about Floss Bar's mission and being more flexible in his work as well as brainstorming with the team. 


Tiffany Tran, RDH

Always having an interest in a health-related career, Tiffany graduated from the dental hygiene program at New York City College of Technology, after first obtaining her B.A. in Psychology from Stony Brook University.  Tiffany’s understanding nature allows patients to feel comfortable during their visits.  She is devoted to patient education based on individual needs, ensuring quality and efficiency.  In her spare time, Tiffany enjoys spending time with her family, going to brunch with her girlfriends, and will never say no to visiting a new museum.  


Sehar Hayan, RDH, BS,

Outgoing, caring and driven are just some of the qualities that describe Sehar. After graduating from Stony Brook University with a degree in Public Health, Sehar worked for the UN and the Red Crescent Society in Pakistan before enrolling to the dental hygiene program at NYU College of Dentistry. At NYU, Sehar was on student council and had the opportunity to serve in underprivileged areas and fundraise for causes like the Oral Cancer Walk. As someone who is passionate about community health care and education, Sehar decided to further her education and pursue a master’s degree in public health. As a dental hygienist, she strongly believes that the primary goal will always be patient care and to provide the highest quality of treatment to every patient. 

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Dr. John Aston

Dr. Aston is an invigorated, enthusiastic dentist treating patients as a Floss Bar dentist at the Central Park South location. His primary goal as a practitioner is to exceed the expectations of each of his patients. He prides himself on the time he takes with each patient prior to scheduling a procedure, ensuring that each of their needs will be met by the treatment. Dr. Aston also provides an honest opinion of each patient's oral condition, working with them to get the care they need. Dr. Aston attended Villanova University as an undergraduate, and then University of Pittsburgh in order to pursue his dental education. He is a certified Invisalign provider, and offers a full range of dental services, including cosmetic procedures and the most advanced bleaching technique


LaToya Blandin, RDH

LaToya has been working as a registered dental hygienist for 5 years. Originally from Connecticut, she graduated with an Associate of Science Degree in 2013 from the University of New Haven. She, her husband and her two boys moved to Boston in 2015. 


Dr. Yasmin Chebbi

Dr. Yasmin Chebbi graduated with a Doctorate in Dental Medicine (DMD) from Harvard School of Dental Medicine in Boston. She speaks English, Spanish, French, and Arabic. Dr. Chebbi is actively involved in the community. She has organized health fairs and provided free dental care to under-served populations. Dr. Chebbi has served on dental mission trips, her latest trip being to Miragoane, Haiti. She also serves as clinical assistant professor at Harvard School of Dental Medicine.

Dr. Yasmin Chebbi strives to provide each patient with a personalized visit and approaches each patient with professionalism, empathy, and a caring hand. Dr. Chebbi's priority is to provide beautiful and healthy smiles in a comfortable and judge-free environment. 

Dr. Chebbi is always increasing her knowledge and skills to benefit her patients. She is a member of Spear Education, one of the most respected leaders in continuing dental education.