Читать книгу Handbook of Oral Pathology and Oral Medicine - S. R. Prabhu - Страница 164
4.2 Pathological Resorption of Teeth 4.2.1 Definition/Description
ОглавлениеResorption of teeth:A condition associated with either a physiological or a pathological process resulting in the loss of dentin, cementum, and/or bonePhysiological resorption is a feature of shedding of deciduous teethOnly pathological resorption of permanent teeth is discussed in this chapter
External resorption:Resorption is initiated in the periodontium and initially affects the external surfaces of the toothExternal resorption may be further classified as surface, inflammatory, or replacement resorption, or by location as cervical, lateral, or apical resorption
Internal resorption:A defect of the internal aspect of the root following necrosis of odontoblasts because of chronic inflammation and bacterial invasion of the pulp tissue