title: Etch-retained anterior pontics. A 4-year study.
mesh_terms: D000134:Acid Etching, Dental; D000180:Acrylic Resins; D000293:Adolescent; D000328:Adult; D003188:Composite Resins; D001840:Dental Bonding; D003830:Denture, Partial, Fixed; D006801:Humans; D007180:Incisor; D013997:Time Factors; D014093:Tooth, Artificial
chemical_list: D000180:Acrylic Resins; D003188:Composite Resins