Root resorption:aetiology, pathology,
diagnosis and management
Dr Rawan Abu ZaghlanDDS(Hons), MFDS RCSI, MSc(Rest Dent), M(Endo) RCSEd, JDB(Endo)Assistant Professor and Consultant EndodontistSchool of Dentistry/University of Jordan
Definition
• Dental resorption is the progressive loss of dental hard tissues as a result of clastic activities• It may occur as a physiologic (primary dentition) or pathologic
phenomenon.
In the primary/mixed dentition this is a normal physiologic process resulting in exfoliation of deciduous teeth but in the adult dentition is largely pathological
Pathways for bacteria into the root canal system
Caries Cracks and fractures
Marginal breakdown (defective restorations)
Periodontal disease
Defect between enamel & cementum(exposed dentine)
Irreversible pulpitis
Reversible pulpitis
Normal pulp
Pulp necrosis
Treated
Untreated
Untreated
Insult
Apical periodontitis
Apical periodontitis
Widened PDL space untreated Loss of lamina dura Untreated Periapical radiolucency