Valores de fuerza en movimientos de primer y segundo orden en un tipo de bracket de autoligado con dos prescripciones diferentes.

Abstract

Orthodontic tooth movement is generated by a forces system, through the use of orthodontic devices, which create a reaction level of the ligament and alveolar bone. Although the literature reports that optimum orthodontic treatment, is one that generates a higher rate of tooth movement with fewer adverse effects, the concept of optimum level of force remains controversial. The combination of brackets-wire is a determining factor in levels of force applied on the teeth during the treatment. The purpose of this study was to determine if the forces used in the movement of first and second order in two different prescriptions, a system of self-ligation, are statistically different. Combinations of self-ligating brackets with Roth and MBT prescription and superelastic nickel titanium wires 0.016 "and 0.016" x0,016 "which simulated movements of first and second order were used. Result: higher levels of power were demonstrated at Download with the MBT prescription, higher values were recorded in the movement of second Oclusal order but higher strength values were demonstrated in the movements of the first order, specifically buccal download Conclusions: prescription, wire geometry and the direction of movement influencing the level of force transmitting the bracket to the tooth.