Cone-beam CT evaluation of volume and surface area changes of impacted upper central incisors before and after orthodontic treatment
LIN Yan, JIANG Yin-hua, TAO Hai-biao, SUN Hao, HU Rong-dang
Shanghai Journal of Stomatology . 2017, (1): 76 -79 .  DOI: 10.19439/j.sjos.2017.01.016