Meet Our Doctors

Dr. Yaa McDonald dentist tinley park

Dr. Yaa McDonald

Dr. Yaa McDonald received her undergraduate degree in the biological sciences at the University of Illinois at Urbana-Champaign and then completed a Doctorate in Dental Medicine degree (DMD) at Southern Illinois University. Following her doctorate degree, she completed a two-year residency in Pediatric Dentistry, obtaining both a specialty certificate and a Master of Dental Science from the University of Tennessee Health Science Center. During residency, Dr. McDonald was awarded the Graduate Student Research Award for her outstanding master’s thesis research on the periodontal ligament stem cells of human deciduous teeth.


Dr. Rory Chong

Dr. Rory Chong is a firm believer in providing a treatment experience with respect and care and always has the best interest of his patients at heart.


Born and raised in Toronto, Canada, he studied at the University of Toronto obtaining his degree in Industrial Engineering and Applied Mathematics. He went on to complete his dental education at New York University where he graduated amongst the top of his class and was inducted into the Omicron Kappa Upsilon National Dental Honor Society. During his training, Dr. Chong was concurrently involved in research that was presented at national conferences where he gave award-winning presentations on accelerated orthodontic tooth movement and critical thinking in dental education. 

Dr. Rory Chong - dentist
Dr. Paulina Yarmokovich - dentist

Dr. Paulina Yarmokovich

Dr. Paulina Yarmarkovich was born and raised in Swampscott, Massachusetts. She received her B.S. in Microbiology at the University of Wisconsin, Madison, and went on to earn her D.M.D. at Tufts University School of Dental Medicine. Throughout this time, Dr. Yarmarkovich found her passion for treating pediatric patients, including those with special health care needs. She is currently pursuing specialty training at UIC College of Dentistry where she is a second year Pediatric Dentistry Resident. Dr. Paulina is also working towards her Master in Public Health alongside her residency program.

Dr. Kristy Kao

Dr. Kristy Kao grew up in Atlanta, Georgia. She attended the University of Pennsylvania for her undergraduate studies with a major in Biological Basis of Behavior. She subsequently went on to attend dental school at Columbia University, where she realized her love of working with children.


Upon graduation from Columbia, Dr. Kristy completed specialized training in pediatric dentistry at Albert Einstein/Montefiore Medical Center where she further developed her skills in treating children of all ages, including those with special needs...