下颌第二磨牙近中倾斜阻生的矫正

摘要

下颌第二磨牙近中倾斜阻生是临床上常见的错(拾)畸形,它可以导致龋病等多种损害.环框式磨牙竖直器可以有效地矫正此种畸形.%The mesially impacted of mandibular second molar is one kind of common malocclusion in clinic.It can lead to damages to stomatognathic system.The looped uprightor is an effective tool in the treatment of this kind of malocclusion.