Table 2 Influence of the tooth (first or second molar) on the prevalence, type, and side of radix molaris.
Variables | Specifications | First molars | Second molars | Total | P value* | |||
|---|---|---|---|---|---|---|---|---|
n | % | n | % | n | % | |||
Prevalence | With radix | 45 | 2.92* | 26 | 1.47 | 71 | 2.14 | 0.0039 |
Without radix | 1496 | 97.08 | 1748 | 98.53 | 3244 | 97.86 | ||
Total | 1541 | 100.00 | 1774 | 100.00 | 3315 | 100.00 | ||
Type | Radix entomolaris | 44 | 97.78 | 22 | 84.62 | 66 | 92.96* | 0.0367 |
Radix paramolaris | 01 | 2.22 | 04 | 15.38* | 05 | 7.04 | ||
Total | 45 | 100.00 | 26 | 100.00 | 71 | 100.00 | ||
Side | Unilateral | 21 | 46.67 | 26 | 100.00* | 47 | 66.20* | < 0.0001 |
Bilateral | 24 | 53.33 | 00 | 0.00 | 24 | 33.80 | ||
Total | 45 | 100.00 | 26 | 100.00 | 71 | 100.00 | ||