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Frequency of second molar ERR in both jaws based on the depth of impaction of third molar
| Jaw | Depth of Impaction |
None N(%) |
Slight N(%) |
Moderate N(%) |
Severe N(%) |
Total (100%) |
|||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maxilla | A | 100(100) | 0 | 0 | 0 | 10 | |||||
| B | 25(92.6) | 1(3.7) | 0 | 1(3.7) | 27 | ||||||
| C | 70(82.4) | 7(8.2) | 6(7.1) | 2(2.4) | 85 | ||||||
| Total | 105(86.1) | 8(6.6) | 6(4.9) | 3(2.5) | 122 | ||||||
| Mandible | A | 11(50) | 8(36.4) | 2(9.1) | 1(4.5) | 22 | |||||
| B | 83(68) | 15(12.3) | 12(9.8) | 12(9.8) | 122 | ||||||
| C | 38(70.4) | 10(18.5) | 3(5.6) | 3(5.6) | 54 | ||||||
| Total | 132(66.7) | 33(16.7) | 17(8.6) | 16(8.1) | 198 | ||||||
