Harrison dentist Dr. Steven Polevoy is one of the best dentists in Westchester, and many of your neighbors from Harrison and Scarsdale, Rye and White Plains, Mamaroneck and New Rochelle, call our office their dental home. From preventive dental care for kids, to cosmetic dentistry for adults, to dental emergencies - Dr. Steven Polevoy's expertise, and calm and reassuring manner makes certain that you never have to fear the dentist again.