13 January 2021 : Clinical Research
Analysis of Root Canal Curvature and Root Canal Morphology of Maxillary Posterior Teeth in Guizhou, China
Xin Qiao123CDEF, Tingting Xu4BC, Liang Chen123D, Deqin Yang123AG*DOI: 10.12659/MSM.928758
Med Sci Monit 2021; 27:e928758
Figure 3 Diagram of MB2 root canal orifice positioning measurement.