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Figure 1 | BMC Medical Imaging

Figure 1

From: The effect of a manual instrumentation technique on five types of premolar root canal geometry assessed by microcomputed tomography and three-dimensional reconstruction

Figure 1

3-D image shows the enamel, dentin, and root canal with surface rendering. Root canal system classification: (a, f) type I of Tooth A, (b, g) type II of Tooth B, (c, h) type III of Tooth C, (d, i) type IV of Tooth D, (e, j) type V of Tooth E. Except for mandibular premolar E, teeth were maxillary premolars. The images in the top and bottom row are viewed from buccolingual and mesiodistal directions, respectively.

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