Fig. 1 | Scientific Reports

Fig. 1

From: Multinational cross-sectional study and meta-analysis on radicular grooves, C-shaped canals, and taurodontism in mandibular first premolars across 20 countries

Fig. 1

Representative CBCT images of mandibular first premolars showing various root and canal morphologies. (A) Serial axial and sagittal images from a single tooth with a C-shaped canal at different root levels. (B-D) Sagittal and coronal views of taurodontism types: (B) mesiotaurodontism, (C) hypotaurodontism, and (D) hypertaurodontism, with varying pulp chamber elongation and apical floor displacement. (E) Axial view with a distinct mesial root groove. (F) Axial view showing a buccal groove. Yellow arrows highlight the relevant anatomical variations.

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