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Fig. 1 | Head & Face Medicine

Fig. 1

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. 1

The shapes of normal maxillary incisive canals on CT divided into 4 categories. Based on CT sagittal sections of maxillary incisive canals, they are classified as cylindrical (a), funnel (b), spindle (c), or hourglass (d), and based on CT axial sections, they are round (e), oval (f), heart (g), or others (h)

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