Correction to: Scientific Reports https://doi.org/10.1038/s41598-024-60753-9, published online 27 May 2024

The original version of this Article contained an error in Figure 2, where a parenthesis was erroneously included in the equation. The original Figure 2 and accompanying legend appear below.

Figure 2
figure 2

The classification of plaque index using the Attin's plaque index evaluation method.

The original Article has been corrected.