Table 1 Difference in PD parameter for moderately deep pockets (4 mm < PD < 6 mm) and deep pockets (PD > 6 mm)

Moderately deep pockets (4 mm < PD < 6 mm)

Con

152

4.93 ± 0.53

3.78 ± 0.53

 < 0.001

3.79 ± 0.45

 < 0.001

Exp 1

209

5.01 ± 0.46

3.64 ± 0.67

 < 0.001

3.61 ± 0.37

 < 0.001

Exp 2

211

4.96 ± 0.48

3.55 ± 0.49

 < 0.001

3.25 ± 0.38

 < 0.001

p

0.816

0.225

 < 0.001**

0.001^△

Deep pockets (PD > 6 mm)

Con

221

7.37 ± 1.02

5.02 ± 0.69

 < 0.001

4.79 ± 1.24

 < 0.001

Exp 1

187

7.4 ± 0.13

3.91 ± 0.65

 < 0.001

3.82 ± 0.95

 < 0.001

Exp 2

213

7.33 ± 0.98

4 ± 1.02

 < 0.001

3.52 ± 0.97

 < 0.001

p

0.897

 < 0.001*

  < 0.001*

  < 0.001**

  < 0.001**   0.042^△