Table 1 Definition of the code for each sextant in the mouth [22]

0

The colored area of the probe is completely visible, representing healthy gingival tissues without bleeding on probing

1

The colored area of the probe is completely visible, without calculus or detective margins, but with bleeding on probing

2

The colored area of the probe is completely visible, with supragingival or subgingival calculus and/or detective margins.

3

The colored area of the probe is partly visible.

4

The colored area of the probe is completely invisible, indicating a probing depth greater than 5.5 mm.