title: A study of the state and depth of resin penetration into acid-etched enamel.
mesh_terms: D000134:Acid Etching, Dental; D000180:Acrylic Resins / Q000494:pharmacology*; D001840:Dental Bonding; D003743:Dental Enamel / Q000648:ultrastructure; D003745:Dental Enamel Permeability / Q000187:drug effects*; D006801:Humans; D066298:In Vitro Techniques; D008855:Microscopy, Electron, Scanning; D010784:Photomicrography; D014088:Tooth Permeability / Q000187:drug effects*
chemical_list: D000180:Acrylic Resins