Table 2. Test of significance for frequency of distribution: [Z-test for proportions, P> 0.05] .
| Examined Teeth (n) | Three-rootedTeeth (n) | Z-test | P-value | |
|---|---|---|---|---|
| Male | 236 | 16 | -0.77 | 0.442 |
| Female | 194 | 17 | ||
| Right | 215 | 21 | 1.63 | 0.103 |
| Left | 215 | 12 |
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