Table 2. | Incidence of defects on twisted file adaptive instruments according to the number of uses |
| Instrument | N | 1st case | 2nd case | 3rd case | Unknown | ||||
|---|---|---|---|---|---|---|---|---|---|
| n | % | n | % | n | % | n | % | ||
| Deformation | 80 | 8 | 10a | 26 | 32.5a | 43 | 53.75a | 3 | 3.75a |
| Fracture | 3 | 0 | 0a | 0 | 0a | 3 | 100b | 0 | 0a |
Different superscript letters indicate statistically significant difference within row.
|
.png)