Dr. Dayna Olstein

Dr. Olstein, also known to her patients as “Dr. Dayna,” attended the University of Michigan, earning a Bachelor of Science in Biopsychology. She went on to earn a Doctor of Dental Medicine degree from the University of Medicine and Dentistry of New Jersey. There she was elected into the OKU Dental Honor Society and graduated among the top of her class. Following dental school, Dr. Olstein went on to complete an additional two-year residency program in Pediatric Dentistry at Schneider Children’s Hospital/Long Island Jewish Medical Center.

Following her residency Dr. Olstein completed the certification process to become a Board Certified Pediatric Dentist. Dr. Olstein truly enjoys working with children and her goal is to develop a positive relationship with your child and provide the highest quality dental care in an enjoyable and gentle environment.

Dr. Olstein has been named in Hudson Valley Magazine’s “Top Dentists” from 2008-2015. She is the President of the Southern Orange Dental Society as well as an active member of the American Dental Association, American Academy of Pediatric Dentistry and 9th District Dental Society. When not pursuing her passion for putting big smiles on little faces, Dr. Olstein enjoys reading, traveling and spending time with her husband and two daughters.


Dr. Ninus Ebrahimi

Dr. Ebrahimi was raised in Los Angeles, CA and graduated from UCLA with his Bachelor of Science degree. He then moved to Boston to attend dental school at Tufts University School of Dental Medicine, where he graduated with Magna Cum Laude Honors at the top of his class and was inducted into the prestigious OKU dental fraternity for his academic excellence.

Dr. Ebrahimi’s most memorable and rewarding experience in dental school was a week-long trip to volunteer in Port au Prince, Haiti to provide dental care for underprivileged children. This was just one of many experiences that led Dr. Ebrahimi to complete a two-year Pediatric Dentistry residency at Tufts University School of Dental Medicine. He received extensive training in behavior management, hospital dentistry, and comprehensive orthodontics.

Dr. Ebrahimi recently got married and moved cross country to NYC to be with his wife. He is very excited to start this new journey and be a part of the OCPD team! In his spare time, Dr. Ebrahimi loves cycling, running, reading, and playing piano.


Tisha – Registered Dental Hygienist

Tisha received her Dental Hygiene degree from Bergen Community College in 2003 and has been a member of our team since 2008. While in college, Tisha earned two prestigious scholarships in Dental Hygiene and was president of her graduating class with memberships in both SADHA and ADHA. Tisha enjoys pediatrics and loves guiding her patients through the dental experience, teaching them the importance of good dental health while making each visit enjoyable.

Dara – Registered Dental Hygienist

Dara received her dental hygiene degree from Orange County Community College in 1993 and joined our team in 2015. She has worked both in general and pediatric dentistry, but finds her true passion working with children by making each dental experience a positive one.

Cindy – Front Office Administrator

Cindy joined our team in February 2007. Her previous experience in finance as well as her customer service skills makes her an asset to our dental team. Her friendly voice and warm personality come through when speaking with her on the phone. Cindy will be happy to help you with scheduling your child’s appointment and any of your financial concerns.

Cathy – Dental Assistant

Cathy joined our team in 2011 and has been in the dental field for over 23 years. Her vast experience as a dental assistant working with children makes her a valuable asset to our practice. As the mother of four she knows just how to make our patients comfortable in the dental chair.

Janice – Dental Assistant

Janice earned her Dental Assisting Degree from UMDNJ and joined our team in 2009. With a passion for working with children she has been assisting in the pediatric dental field for over 15 years. Her sense of humor and warm personality keep the patients smiling.


Dr. Olstein and the team at Orange County Pediatric Dentistry are experts in pediatric dentistry. If you have any questions pertaining to pediatric dentistry in the Hudson Valley or Orange County area, Woodbury, Goshen, Florida, Middletown, Chester, Central Valley, Washingtonville, Highland Mills, Warwick, Blooming Grove or would like to schedule a complimentary consultation with Dr. Olstein contact Orange County Pediatric Dentistry at: 845.928.2205.