The calibrated periodontal probe is an instruments of assessment. It has a rod-shaped working end that is
marked in millimeter units. The calibrated probe is actually similar to the ruler. It is used to…

1. determine the consistency of the gingival tissue.
2. Survey sulcus and pockets depths.
3. Measure clinical attachment levels
4. Measure the width of attached gingival.
5. Verify whether bleeding and/or purulent exudate is in presence.

These probes are made of spring stainless steel