Root Canal Anatomy of Maxillary First Premolar by Microscopic Computed Tomography in a Chinese Adolescent Subpopulation

Figure 1

Three-dimensional reconstruction of a root canal by micro-CT of the examined maxillary first premolars (a), indication of coronal third, middle third, and apical third cross-sectional and apical foramen in cross section (b), measurement of root diameter (upper) and root canal wall thickness (lower) (c), and root canal diameter (d) of the further examined three maxillary first premolars, respectively.

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