Feasibility of drilling pinhole on pulp chamber based on digital radiographs data
Mao Xiao-quan, Zheng Tong-wen, Xing Lie, Xu Pu, Xing Li, Hong Rui-e
Chinese Journal of Tissue Engineering Research . 2010, (35): 6547 -6550 .  DOI: 10.3969/j.issn.1673-8225.2010.35.022