Dental Staff

Dr. Olga Lombo-Sguerra is a long-time resident of Westchester County and a 1987 graduate of Pontificia Universidad Javeriana in Bogotá, Colombia.  She received her DDS degree from New York University in 1990 and went on to achieve a Fellowship from the Academy of General Dentistry in 2016. Since her graduation at NYU, Dr. Lombo-Sguerra worked on several dental practices in New York City and Westchester county, until 2002, when she established Central Dental in Hartsdale, NY.

Dr. Lombo-Sguerra enjoys going to the movies with her husband and children and loves to spend time working on her garden as a hobby. Dr. Lombo-Sguerra has always characterized herself for supporting her community, peers, and patients; and has received multiple awards for her service.

Dr. Lombo-Sguerra has focused her work as a general dentist providing comprehensive dental care from preventive treatment and simple restorations to root canals, crown and bridgework and cosmetic care.  She strives to provide quality dental care and build trusting relationships with her patients. 


Elsa Berkowitz, Office Manager

Doña Elsa has been with Central Dental since the beginning. The combination of her experience in finance and her ability to accept new challenges has made an essential part of the business. She has loved working in the dental field, where she meets and assists new patients every day.


Amarilis “Lili” Estrella, Dental Assistant

Lili came from the Dominican Republic eager to start a new career. Fiercely dedicated she trained with Central Dental and got her degree as a Dental Assistant at Westchester School for Dental Assistants. After 12 years she remains a key member of our staff while raising a family of 3 beautiful children. She continues to learn and make us laugh every day.


Dr. Andres Ibanez-Lombo D.D.S.

Dr. Andres Ibanez-Lombo received his dental training from the Pontificia University Javeriana, Bogota Colombia in 2008. He then relocated to New York, where he completed the Advanced Program for International Dentists in Periodontics at NYU. This year-long program consisted of both didactic and clinical courses including placing implants and performing soft tissue surgeries. Dr. Andres, as he is fondly called, then went on to obtain his DDS licensure at Columbia University in NYC, finishing one of the most rigorous
residencies at New York-Presbyterian Hospital, where he was responsible for patients with complex medical problems. Dr. Andres is from a family of architects and shares their passion for aesthetics and design - that is why Dr. Andres likes to consider himself a “smile architect", giving patients beauty, form, and function. In his spare time, Dr. Andres loves hiking, mountain biking, rock climbing.


Marina "Mari" Quinoy, Dental Assistant. 

Mari has helped and supported us at Central Dental since the beginning with her experience of over 25 years. She is a mother of three boys of whom she and her husband are very proud of their successful carriers.