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Fig. 2 | Head & Face Medicine

Fig. 2

From: Advocacy of diagnostic criteria for maxillary incisive canal cysts based on alteration of normal maxillary incisive canals according to aging in Japanese populations

Fig. 2

The directions and courses of the maxillary incisive canals on CT sagittal sections. The nasal floor is regarded as the “horizontal plane”. The three-dimensional reconstructions are re-oriented with reference to that plane. Based on the line perpendicular to the horizontal plane, the maxillary incisive canals whose course changes by > 10° from the vertical are considered “slanted“, and those whose course changes by < 10° from the vertical are considered “vertical”

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