Sung-Seo Mo, Seong-Hun Kim, Sang-Jin Sung, Kyu-Rhim Chung, Youn-Sic Chun, Yoon-Ah Kook, Gerald Nelson
INTRODUCTION: Our objective was to evaluate the factors that affect effective torque control during en-masse incisor and canine retraction when using partially osseointegrated C-implants (Cimplant, Seoul, Korea) as the exclusive source of anchorage without posterior bonded or banded appliances. METHODS: Base models were constructed from a dental study model. No brackets or bands were placed on the maxillary posterior dentition during retraction. The working archwire was modeled by using a 3-dimensional beam element (ANSYS beam 4, Swanson Analysis System, Canonsburg, Pa) with a cross section of 0...
July 2011: American Journal of Orthodontics and Dentofacial Orthopedics