MH SUB I - Key Persons


Leona Tomascak

Job Titles:
  • Office Manager
A native Danburian and a graduate of Danbury High School, Leona presently lives in Brookfield with her husband. She has two grown children and her hobbies include: gardening, knitting and reading. Leona has faithfully served the office for 25 years with her expert knowledge of insurance and patient relations.

Yana Rosenstein

Job Titles:
  • Cosmetic Dentist in Danbury, CT / Quality
She received her Doctor of Dental Surgery degree from the highly selective State University of New York at Stony Brook School of Dental Medicine. Dr. Rosenstein continued to expand her knowledge of dentistry in a General Practice Residency Program at Staten Island University Hospital in New York, where she was trained in the management of dental and facial trauma, dental emergencies, surgical extractions, as well as special care for the developmentally disabled. In addition, Dr. Rosenstein completed a three-year post-graduate program in periodontics at the University of Medicine and Dentistry of New Jersey, where she mastered the most current and advanced techniques in dental implantology, sinus elevation and grafting, treating and preventing gum disease, cosmetic gum surgery, implant site development, bone regeneration and grafting, as well as oral pathology.She is a member of the American Dental Association, the American Board of Periodontology, and the New York State Dental Association. She has participated in various community service events. Dr. Rosenstein treats her patients in a gentle, kind, and caring manner. She is dedicated to providing the highest quality of periodontal care and promoting the overall health and well-being of her patients. Her main goal is to stay current with new and developing technologies in all areas of periodontology and implant dentistry. She is constantly working to enhance her knowledge and technical skills by attending continuing education courses and specialty conferences. Dr. Rosenstein enjoys spending time with her family and three-year-old son, as well as yoga, theater, reading, and traveling.