title: Biological closure of open apices of non-vital teeth following calcium hydroxide root filling.
mesh_terms: D002126:Calcium Hydroxide / Q000627:therapeutic use*; D002648:Child; D005260:Female; D006171:Gutta-Percha / Q000627:therapeutic use; D006801:Humans; D008297:Male; D012387:Root Canal Filling Materials / Q000627:therapeutic use; D012390:Root Canal Therapy / Q000379:methods*; D014074:Tooth Calcification / Q000187:drug effects*; D014092:Tooth Root / Q000473:pathology
chemical_list: D012387:Root Canal Filling Materials; D006171:Gutta-Percha; D002126:Calcium Hydroxide