Treatment of anterior open - Bite using multiloop edgewise archwire technique(report of 11 cases)

Abstract

Objective To investigate the mechanism of multiloop edgewise archwire (MEAW) technique for treat-ment of anterior open bite, operation essentials and matters needing attention. Methods Eleven patients with anterior open bite were given MEAW, five cases of male, six females, 14 - 28 years old. Data of X cephalometry pre - and post - treatment were analyzed. Results All of 11 patients with anterior open bite had satisfied treatment. One case with relationship between anterior teeth on edge had a slight relapse. All of 10 cases with open bite were corrected. Conclusions MEAW technique can effectively erect posterior teeth, to improve the direction of three- dimensional position of the teeth, and rapidly correct anterior open bite. It is worth to be popularized with the advantage of good efficacy and wide application. Key words: Multiloop edgewise archwire ; Open bite ; Orthodontics ;