Research Article
Analysis of Root Canal Anatomy of Mandibular Permanent Incisors in Saudi Subpopulation: A Cone-Beam Computed Tomography (CBCT) Study
Table 5
The prevalence of canal number and different types of canal configurations among different age groups.
| Age range groups (years old) | Prevalence of teeth (%) | Number of canals | Canal configurations | One canal | Two canals | Type I | Type II | Type III | Type IV | Type V |
| 18–20 | 187 (13.64%) | 164 (11.97%) | 188 (13.72%) | 38 (2.77%) | 101 (7.37%) | 9 (0.65%) | 15 (1.09%) | 21–40 | 367 (26.78%)∗ | 250 (18.24%) | 367 (26.78%) | 16 (1.16%) | 187 (13.64%) | 1 (0.072%) | 46 (3.35%) | >40 | 252 (18.39%) | 150 (10.94%) | 251 (18.32%) | 34 (2.48%) | 99 (7.22%) | 0 | 18 (1.31%) |
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