Table 3.
Number and percentage of roots and canals in the mandibular first premolars for the two side
| No. | Root | Canal | |||
|---|---|---|---|---|---|
|
|
|
||||
| n | % | n | % | ||
| Left | 1 | 92 | 92 | 82 | 82 |
| 2 | 8 | 8 | 18 | 18 | |
| Right | 1 | 95 | 95 | 90 | 90 |
| 2 | 5 | 5 | 10 | 10 | |
| χ 2 | 0.7404 | 2.6578 | |||
| P | 0.3895 | 0.1030 | |||
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