Yonkers dentist Dr Limongelli At 21st Century Dental, offers complete dental care and oral surgery, Implants, root canal, permanent Crown and Bridges, snap on smile, teeth whiting, dentures, partials, removal of impacted wisdom teeth, porcelain laminate veneers and more. Treatment for the whole family is the focus. Established in 1992, Dr. Limongelli started his practice in Yonkers n.y. as 21st century dental and oral surgery associates in sep. 1992, his practice centers on family dentistry, full mouth rehabilitation and cosmetic dentistry, a full range of service from fillings to Implants is offered.