- For diagnosing calculus and caries and exploring of pockets, restorations and furcations.
- 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)
Most explorers and periodontal probes are available also in single-ended designs