Table 4: Correlation Matrix Between the Variables Proximal Tooth Cleaning Daily and Plaque Index

Proximal Tooth Cleaning Daily at Baseline Proximal Tooth Cleaning Daily at re-evaluation Plaque Index at Baseline Plaque Index at re-evaluation
r p r p
No Yes -0.40 0.001 -0.38 0.001
Yes Yes -0.52 <0.001 -0.57 <0.001