Explorer – Periodontal probes are combination instruments for probing caries and parodontium. Color-coded scales facilitate measurement of the gingival pocket.
WHO probe was developed for CPITN method.
DIAGNOSIS
0 = healthy
1 = bleeding during probing
2 = supra- and/or subgingival calculus, filling or crown excesses
3 = gingival pockets to 5 mm
4 = pockets deeper than 6 mm
