Research Article
[Retracted] Effects of Different Polishing Systems on Surface Roughness and Crystal Structure of Zirconia
Table 1
Grinding head models and rotational speed parameters of polishing systems.
| | Manufacturer | Grinding head models (function) | Rotational speed recommendation |
| | Youdent, Wuhan (YOU) | SD021HD (adjacent adjustment of occlusal plane) | 7000-15000/min | | RDH056 (flat pre-polishing) | 7000-15000/min | | RDH058 (high brightness polishing) | 7000-15000/min | | Toboom, Shanghai (TOB) | CD2124 (adjacent adjustment of occlusal plane) | 15000-20000/min | | RD2124 (flat prepolishing) | 10000-15000/min | | RD2125 (high brightness polishing) | 8000-12000/min |
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