The resistant dentine shell of teeth suffering from idiopathic external resorption.
Histological examination of 18 erupted and eight unerupted teeth with idiopathic external resorption demonstrated that the pulp remained protected by a thin layer of dentine approximately 23--308 micrometers wide. There was no significant difference between erupted and unerupted teeth.
D003786:Dental Pulp Cavity / Q000033:anatomy & histology; D003804:Dentin / Q000473:pathology*; D006801:Humans; D014078:Tooth Eruption; D014091:Tooth Resorption / Q000473:pathology*; D014097:Tooth, Unerupted / Q000473:pathology