方丝弓矫治技术方形弓丝使用中的一些问题曾祥龙在方形（矩形）弓丝上弯制第三序列弯曲产生转矩力，对切牙进行唇舌向控根，是方丝弓矫治器的独特作用＇＇＇。方形弓丝可以在第二阶段关闭前牙间隙时使用，在第三阶段治疗中更作为常规弓丝。转矩力曾一度被视为一种＂危险而... Square wire arch technology some of the problems in the use of square arch wire Zeng Xianglong in the square (rectangular) arch wire curved third generation of bending force to produce torque, the incisors lip and tongue to control the root, is a unique wire arch appliance effect'''. Square arch wire can be used in the second stage closing the anterior gap, in the third stage of treatment more as a regular archwire. Torque was once considered a "dangerous ...