Table 1: Baseline demographic and clinical characteristics.

GroupNumber Age/years SexPD CAL BI
(mean ± SD)(mean ± SD)(mean ± SD) (mean ± SD)
malefemaleexperimentalcontrolexperimentalcontrolexperimentalcontrol

Split-mouth clinical trial3735.78 ± 10.7019185.45 ± 1.585.58 ± 1.503.12 ± 1.293.15 ± 1.253.00 ± 0.752.97 ± 0.76
0.330.710.41