title: Differences in apex formation during apexification with calcium hydroxide paste.
mesh_terms: D002126:Calcium Hydroxide / Q000627:therapeutic use*; D002648:Child; D003809:Dentin, Secondary / Q000033:anatomy & histology* / Q000139:chemically induced; D006801:Humans; D012390:Root Canal Therapy / Q000379:methods*; D014092:Tooth Root / Q000033:anatomy & histology / Q000187:drug effects
chemical_list: D002126:Calcium Hydroxide