title: Direct bonding: crystal growth as an alternative to acid-etching?
mesh_terms: D000134:Acid Etching, Dental / Q000379:methods*; D000268:Adhesiveness; D001641:Bicuspid; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D003461:Crystallography; D001840:Dental Bonding / Q000379:methods*; D003743:Dental Enamel / Q000648:ultrastructure*; D006801:Humans; D013314:Stress, Mechanical; D013499:Surface Properties; D013997:Time Factors