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Biomechanical aspects of external root resorption in orthodontic therapy

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Biomechanical aspects of external root resorption in orthodontic therapy

dc.contributor.author	Abuabara, Allan	es
dc.date.accessioned	2017-11-17T10:52:46Z
dc.date.available	2017-11-17T10:52:46Z
dc.date.issued	2007	es
dc.identifier.uri	http://hdl.handle.net/10550/63114
dc.description.abstract	External apical root resorption is a common phenomenon associated with orthodontic treatment. The factors relevant to root resorption can be divided into biological and mechanical factors. Some mechanical and biological factors might be associated with an increased or decreased risk of root resorption during orthodontic treatment. For mechanical factors, the extensive tooth movement, root torque and intrusive forces, movement type, orthodontic force magnitude, duration and type of force are involved. For biological factors, a genetic susceptibility, systemic disease, gender and medication intake have been demonstrated influence root resorption. Orthodontic therapy of patients with increased risk of root resorption should be carefully planned. Medical history, medication intake, family history, tooth agenesis, root morphology, oral health and habits must be considerate if we do not want jeopardize our patients by severe root resorption. To monitor apical root resorption the standard procedure is a radiographic examination after 6 months of treatment. In teeth with enhanced risk, a 3-month radiographic follow-up is recommended. The administration of anti-inflammatory drugs might suppress root resorption induced by orthodontic therapy, although none study was enough conclusive to indicate a protocol for patients with enhanced risk. In the event of multiple external root resorption, the diagnostic procedure should focus on the exclusion of the local factors and its associations (such as magnitude, duration and type of orthodontic force; periodontal disease; root form) that might lead to external root resorption. Systemic disorders associated with phosphorus-calcium metabolic alterations shall be suspected. This review searched the current knowledge of the mechanical and biological aspects of root resorption in orthodontic tooth movement.	es
dc.source	Abuabara, Allan. Biomechanical aspects of external root resorption in orthodontic therapy. En: Medicina oral, patología oral y cirugía bucal. Ed. inglesa, 12 8 2007: 15-	es
dc.title	Biomechanical aspects of external root resorption in orthodontic therapy	es
dc.type	info:eu-repo/semantics/article	en
dc.type	info:eu-repo/semantics/publishedVersion	en
dc.subject.unesco	UNESCO::CIENCIAS MÉDICAS	es
dc.identifier.doi		es