title: A possible impediment to biologic root-end closure.
mesh_terms: D002648:Child; D003790:Dental Pulp Necrosis / Q000628:therapy*; D003809:Dentin, Secondary / Q000502:physiology*; D006801:Humans; D007180:Incisor / Q000502:physiology; D008297:Male; D008439:Maxillary Diseases / Q000150:complications*; D011842:Radicular Cyst / Q000150:complications*; D012390:Root Canal Therapy; D014092:Tooth Root / Q000502:physiology*