Resumen

GARCIA GONZALEZ, Brismayda et al. Open bite and upper labial's forces variations in children, treated with miotherapy: Tomas Romay Clinic, Old Havana. Rev haban cienc méd [online]. 2009, vol.8, n.4. ISSN 1729-519X.

Labial muscles incompetence has been added to existent etiologies of open bite and it has been demonstrated that stable and perfect results can be obtained in their correction without necessity of grills inhibitors of lingual action, using miotherapy treatments. Purpose of determining variations take place in labial force values and open bite after miotherapy, was carried out an experimental and longitudinal study in 52 9-12 year-old children that attended the schools of the area of health of the Tomás Romay Clinic in 2006-2007, so was carried out mensurations with a dynamometry modified to measure labial force in grams and with millimeter rule to measure open bite in mm. Comparison test of stockings for non independent samples and paired to decide if intervention means variations was used. After treatment, average of labial force increased in all children and open bite decreased significantly in same period of time, there weren´t significant differences in answers to treatment between females and males. Concludes that labial and lingual miotherapy was effective to increase superior labial force, to reduce previous open bite and achieve labial competition in children including study after 8 months and year of treatment, without requirement of an Orthodontics apparatus.

Palabras clave : Labial forces; miotherapy; open bite..

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