Note:
- Only work with suitable abrasives (special glass ceramic abrasives or fine grain diamonds), and avoid overheating of the glass ceramic.
- Using a thin diamond disc with low pressure application and continuous moistening, separate the press sprue at the greatest possible distance from the object to avoid possible cracking. Remove spacer from the model die and carefully check the fit of the restoration and adjust it.
- Check approximal / occlusal contact points and grind, if needed.
- Carefully adjust the attachment point of the sprue.
- Once the sprues have been separated and milled, the entire outer surface of the restoration must be ground with a suitable grinding instrument.