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Frequency of procedural errors in endodontic retreatment of teeth in use of ProTaper Universal and WaveOne Gold rotary systems
| Type of error | Straight canals | Moderately curved canals | ||
|---|---|---|---|---|
|
|
|
|||
| ProTaper, n(%) | WaveOne Gold, n(%) | ProTaper, n(%) | WaveOne Gold, n(%) | |
| Zipping | 1(100.0) | 0 | 1(25.0) | 0(0.0) |
| Ledge | 0(0.0) | 0 | 2(50.0) | 1(100.0) |
| Separated instrument | 0(0.0) | 0 | 1(25.0) | 0(0.0) |
