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

From: Use of mouth rinse during pregnancy to improve birth and neonatal outcomes: a randomized controlled trial

Code Definition
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.
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