The effect of a manual instrumentation technique on five types of premolar root canal geometry assessed by microcomputed tomography and three-dimensional reconstruction. - Ke-Zeng Li; Yuan Gao; Ru Zhang; Tao Hu; Bin Guo (BMC Medical Imaging, 2011)

Cone-beam computed tomography study of root and canal morphology of mandibular premolars in a western Chinese population. - Xuan Yu; Bin Guo; Ke-Zeng Li; Ru Zhang; Yuan-Yuan Tian; Hu Wang; Tao Hu (BMC Medical Imaging, 2012)