Fig. 1From: Cone-beam computed tomography of the head in standing equidsIllustration of the different categories of motion artefact. Transverse CBCT images of the nasal passages and nasal conchae illustrating the four different possible categories of motion artefact: a no or minimal motion artefact (category I), b mild motion artefact (category II), c moderate motion artefact (category III), and d marked motion artefact preventing diagnostic evaluation (category IV)Back to article page