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2. The cutting edge of the hand instruments should always be kept sharp as dull instruments may cause: 1/Loss of control 2/More pain 3/Prolonged time for operating procedures 4/Reduce the quality and precision of tooth preparation

3. ADVANTAGES OF INSTRUMENTS SHARPENING: 1/Less time for the sharpening procedures 2/Easier calculus removal 3/Improved stroke control 4/Reduced number of strokes 5/Increased patient comfort and satisfaction 6/Reduced clinician fatigue

5. Working with dull dental instruments can lead to inefficient procedures, decreased staff and patient satisfaction, and less productivity for your practice Stationary sharpening stone e.g Arkansas stone, silicone carbide Mechanical sharpener: Moves at low speed while the instrument is held at the opposite angle and support by a rest easier and less time consuming

7. THANK YOU.