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Revista Estomatológica Herediana
Print version ISSN 1019-4355
Abstract
UBILLA-MAZZINI, William; MAZZINI-TORRES, Fátima; MOREIRA-CAMPUZANO, Tanya and PARRALES-BRAVO, Carolina. Correction of the labial incompetence by extraction of first premolars in Class II patient: Case report. Rev. Estomatol. Herediana [online]. 2016, vol.26, n.3, pp.168-172. ISSN 1019-4355. http://dx.doi.org/10.20453/reh.v26i3.2961.
One of the major problems to be treated by the orthodontist is the labial incompetence. This occurs when the upper lip loses tonicity and becomes hypotonic while the lower becomes hypertonic. This is a characteristic of class II patients, whose inclininación of upper incisors is increased and causes the failure to seal the lips. Thanks to orthodontics can correct the defect by a diagnosis and appropriate treatment plan, involving the clinical and radiographic study of the case. With this, the specialist can provide the solution to the initial problem of the query. The objective of this research was to improve the patient’s profile and correct lip incompetence. By tooth extraction of first premolars and thanks to the implementation of the MBT technique using retro ligature could meet the initial objective, improving the aesthetics and function of dento facial structures.
Keywords : Orthodontics; tooth extraction; retro ligature.