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Aetiological, histopathological, clinical, diagnostic and therapeutical features of idiopathic cervical resorption Virginia Robles Gijón Cristina Lucena Martín Rosa Ma Pulgar Encinas José Manuel Navajas Dental Update 2024 43:10, 707-709.
Authors
Virginia RoblesGijón
MD, DDS, PhD
Assistant Professor, Department of Conservative Dentistry, School of Dentistry, University of Granada, Spain (vroble@ugr.es)
Root resorption is the loss of hard dental tissue as a result of odontoclastic action involving vital and pulpless teeth. Cervical root resorption (CRR) is a type of external resorption which usually occurs immediately below the epithelial attachment of the tooth in the cervical region. The idiopathic cervical resorption (ICR) refers to a clinical situation in which all other causes, whether local or systemic, have been ruled out as the origin of the disease. The early stage is asymptomatic and might be diagnosed by a routine radiograph or a clinical examination. In this study, the aetiological, histological, clinical and radiological analysis is undertaken; a review is made concerning the pathologies to which the differential diagnosis should be applied; and the different therapeutical options are discussed. This lesion sometimes demands the management of a broad field of multidisciplinary techniques such as restorative dentistry, endodontics, surgery, implants and prosthesis.
CPD/Clinical Relevance: Cone-beam computed tomography (CBCT) may be a useful tool to determine the true extent of external cervical resorption lesions.
Article
Root resorption is the loss of hard dental tissue as a result of odontoclastic action.1 There are two different types of root resorption, depending on location: internal and external. Cervical root resorption (CRR) is a type of external resorption which usually occurs immediately below the epithelial attachment of the tooth in the cervical region.2 It commonly affects mineralized tissues (cementum and dentine), and, except for some advanced stages, the predentine layer protects the pulp tissue because it is less mineralized. CRR defects can be difficult to diagnose and manage. This article provides a brief review of the aetiology, pathology, histology, clinical diagnosis and therapeutic options of CRR.
The aetiology of CRR is difficult to determine with certainty. In most cases a causal relation can be established, with different local predisposing factors such as dental trauma,3 orthodontic treatment,4 periodontal diseases and their treatments3 or intracoronal bleaching.5 Also, systematic pathologies can play a role in this type of resorption, although it is usually not possible to associate the two pathologies.6 Authors such as Gutmann et al6 and Llena-Puy et al7 have described a mild association of this type of resorption with a record of hypercalciuria and renal lithiasis. Finally, idiopathic root resorption (IRR) refers to a clinical situation in which all other causes, whether local or systemic, have been ruled out as the origin of the disease.8 According to Heithersay,9 15% of the patients have no predisposing factors.
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