- GD1: Supragingival scaling tips are used to remove supragingival and dental neck calculus and remove hard objects at the cusp. - GD2: Remove supragingival heavy calculus. - GD4: Remove all supragingival and calculus bacteria. - PD1: Remove subgingival calculus. Pack contains: - 2 x GD1. - 1 x GD2. - 1 x GD4. - 1 x PD1. **For further product information, please contact Chat Support**