Mechanical Periodontal Therapy Recovered the Phagocytic Function of Monocytes in Periodontitis

Table 2

Clinical parameters assessed before and after periodontal support therapy.

Clinical parameters (% of sites)		Control (C)	Periodontitis		Statistical analysis ( value)
			Before therapy (PB)	After therapy (PA)	PB × PA	PB × C	PA × C
Plaque index		4.7 ± 2.3	63.6 ± 33.6	4.8 ± 6.7	<0.0001^1	<0.0001^3	=0.0687^3
Bleeding on probing		2.6 ± 1.4	44.4 ± 29.3	1.6 ± 3.3	<0.0001^1	<0.0001^3	0.0687^3
Probing depth	≤3	100.0	68.7 ± 14.3	98.3 ± 1.7	<0.0001^2	NA
	4	—	4.0 ± 4.0	0.6 ± 0.9	<0.0002^1
	5-6	—	17.0 ± 8.8	0.8 ± 1.2	<0.0001^1
	≥7	—	10.4 ± 8.8	0.1 ± 0.6	<0.0001^2
Clinical attachment level (mm)	≤3	100.0	62.5 ± 18.2	—	—
	4	—	4.9 ± 4.7	—	—
	5-6	—	18.7 ± 8.9	—	—
	≥7	—	13.7 ± 11.4	—	—

NA = not applicable. ¹Wilcoxon test. ²Paired t-test. ³Mann–Whitney test.