title: Unnatural distortion of the evolution of the smile.
authors.forename: N L
authors.initials: NL
authors.lastname: Feigenbaum
mesh_terms: D003776:Dental Porcelain; D004955:Esthetics, Dental; D006801:Humans; D012904:Smiling; D014093:Tooth, Artificial
chemical_list: D003776:Dental Porcelain