title: [Comparative studies of the relationship between the margin of the crown and the free gingiva].
mesh_terms: D003442:Crowns / Q000592:standards*; D003781:Denture Retention; D005881:Gingiva; D006801:Humans
vernacular_title: Vergleichende Untersuchungen der Beziehung zwischen Kronenrand und freier Gingiva.