Amazing Quick Fix Dental Procedure by New York Cosmetic Dentist Dr. Marc Lowenberg. New York Cosmetic Dentist Dr. Marc Lowenberg on Dr. Oz applies porcelain veneers to close gaps between front teeth. This procedure, performed live on the Dr. Oz show, takes only a few minutes and provides an amazing quick fix for the dental problem of gaps between front teeth. Porcelain veneers last about 20 years. click video to play