title: Use of 20x microscopes for the psychomotor dental operations.
mesh_terms: D000221:Adaptation, Ocular; D000328:Adult; D003723:Dental Amalgam; D003737:Dental Cavity Preparation / Q000295:instrumentation* / Q000592:standards; D006801:Humans; D008297:Male; D008853:Microscopy; D013335:Students, Dental; D013647:Task Performance and Analysis
chemical_list: D003723:Dental Amalgam