title: [Amplifying activity of intra-sonic instruments. Study with neutronography and microdensitometry].
mesh_terms: D003720:Densitometry / Q000379:methods; D003804:Dentin / Q000032:analysis; D006801:Humans; D009501:Neutron Activation Analysis; D011670:Pulpectomy / Q000295:instrumentation*; D013016:Sound
vernacular_title: Activité ampliative des instruments endosoniques. Etude par neutronographie et microdensitométrie.