The etched butt-joint margin.
D000134:Acid Etching, Dental; D003188:Composite Resins; D001840:Dental Bonding; D003736:Dental Cavity Lining; D003737:Dental Cavity Preparation; D003743:Dental Enamel / Q000033:anatomy & histology; D012821:Silanes; D012825:Silicon; D013499:Surface Properties; D014753:Vinyl Compounds
D003188:Composite Resins; D012821:Silanes; D014753:Vinyl Compounds; D012825:Silicon