GD4: Remove all supragingival calculus and bacterial plaque. GD2: Remove supragingival heavy calculus. GD1 : Remove calculus and bacterial plaque on supragingival, neck of teeth and hard calculus on the teeth point.
GD4: Remove all supragingival calculus and bacterial plaque. GD2: Remove supragingival heavy calculus. GD1 : Remove calculus and bacterial plaque on supragingival, neck of teeth and hard calculus on the teeth point.