Research Article
Dentin Morphology of Root Canal Surface: A Quantitative Evaluation Based on a Scanning Electronic Microscopy Study
Table 2
Observation data (mm2 and %) for each root portion.
| Portion | Tubular number (mm2) | Tubular lumen area (m2) | Surface occupied by tubules (1 mm2) | Intertubular area (mm2) | Tubular lumen area/dentinal surface (%) |
| Apical | 45,192 ± 10,888 | 3.033 ± 2.43 | 0.14 | 0.86 | 13.71% | Middle | 30,940 ± 7,651 | 12.77 ± 10.23 | 0.40 | 0.60 | 39.53% | Coronal | 46,798 ± 10,644 | 15.47 ± 7.06 | 0.72 | 0.28 | 72.42% |
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