Table 1. Comparison of the average initial probing pocket depth (PD) and clinical attachment level (CAL) (mm) between groups.

Site	Defect		Mean	SD	Sample size	P-value
Total	Vertical	PD	3.63	0.41	34	0.085
		CAL	3.76	0.05		0.049
	Horizontal	PD	3.82	0.48	34	0.085
		CAL	4.06	0.05		0.049
Interdental	Vertical	PD	4.34	0.47	34	0.002
		CAL	4.46	0.56		0.003
	Horizontal	PD	4.74	0.55	34	0.002
		CAL	4.94	0.74		0.003

SD, standard deviation.