Crown-root-fracture

complicated crown fracture

Crown fracture

crown root

Crown Root Axis Angle CRAA

dental crown fracture

root crown

dental root fracture

horizontal root fracture

root fracture

vertical root fracture

(1)arnebia root (2)gromwell root

Rhizoma et Radix Dysosmatis Common Dysosmatis Rhizome and Root / Sixangular Dysosmatis Rhizome and Root Bajiaolian

supra condylar fracture and intercondylar fracture

+-18-crown-6-2

12-crown-4

13-hexaaza-14-crown-4

15-Crown-5

18 crown 6