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Revista Archivo Médico de Camagüey

versión On-line ISSN 1025-0255


CERERO OMELCHUK, Irina; PUIG RAVINAL, Luis Emilio  y  ROMERO ZALDIVAR, Esperanza. Clinical and cephalometric modifications in Class II division 1 patients treated with Twin Blocks. AMC [online]. 2009, vol.13, n.3. ISSN 1025-0255.

Background: During a development century of functional techniques, the occlusal forces were not used in an appropriate way as functional mechanism to correct the malocclusions until the introduction of one of the most recent appliance and with better clinical results denominated Twin Blocks. Objective: To determine the clinical and cephalometric changes in Class II division 1 patients treated with the Twin Blocks technique. Method: A descriptive cross-sectional study of prospective type, without control group, was conducted in the Orthodontics Department at the Educational Odontology Clinic "LA Vigía" from October 2005 to March 2007 in ten patients with skeletal distoclusion with ages between 11 and 25 years to those conventional Twin Blocks appliance were settled and the obtained changes were determined to the 6 months of initiating the active stage of the treatment by means of the clinical exam and the cephalometric analysis of the lateral teleradiographies of the skull. Results: The Twin Blocks constitute an effective method for the treatment of class II division 1 malocclusion syndrome was determined. neutroclusion of molars and canine in most of the patients was established, besides correcting the prominence and the pathological surpass. An increment of the SNB angle, length of the mandibular body and inferior facial height was achieved. Conclusions: The Twin Blocks constitute an effective method for the Class II division 1 treatment.

Palabras clave : Conventional twin blocks; skeletal distoclusion; malocclusion.

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