DR. JAN LINHART, D.D.S., P.C. Cosmetic dentistry to whiten teeth and make smiles more appealing is Dr. Linhart's specialty. Options include laser whitening, porcelain veneers and other methods that eliminate stains and correct imperfections. Named as one of America's top dentists, Dr. Linhart utilizes cutting-edge advances and has trademarked one of the most effective whitening procedures available. 230 Park Ave., Ste. 1164, at E. 46th St., 682-5180, drlinhart.com.