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Apical foramen responses at the end of 12 months.
| Response | GROUP A | GROUP B | GROUP C | |||
|---|---|---|---|---|---|---|
| N | % | N | % | N | % | |
| Type 1 | 2 | 10% | 2 | 13.3% | 2 | 10.5% |
| Type 2 | 2 | 10% | 3 | 20% | 2 | 10.5% |
| Type 3 | 10 | 50% | 8 | 53.3% | 12 | 63.2% |
| Type 4 | 1 | 5% | 0 | 0% | 0 | 0% |
| Type 5 | 1 | 5% | 1 | 6.7% | 0 | 0% |
| No Change | 4 | 20% | 1 | 6.7% | 3 | 15.8% |
| Total | 20 | 100% | 15 | 100% | 19 | 100% |
