For diagnosing calculus and caries and exploring of pockets, restorations and furcations.
Most explorers and periodontal probes are available also in single-ended designs.
For probing subgingival tooth surfaces
For distal surfaces
Elongated lower shank and “back-action” blade (17)
For areas in the vicinity of proximal contact surfaces (17)
Also for probing occlusal surface grooves (23)
For detecting subgingival calculus (23)