Table 4

Time	Values	PPD	CAL	RAL	VD	Width	ACH	AD	Defect fill
Baseline	r	-0.45	-0.46	-0.48	-0.4	-0.21	-0.26	-0.05	-
Baseline	P-value	0.01^a	0.01^a	0.008^a	0.03^a	0.27	0.15	0.79	-
9 months	r	-0.41	-0.46	-0.45	-0.43	0.03	-0.48	-0.16	0.55
9 months	P-value	0.03^a	0.01^a	0.01^a	0.02^a	0.89	0.006^a	0.38	0.002^a

^aStatistically significant at P < 0.001 (Pearson's correlation test).
r = correlation coefficient; PPD = probing pocket depth; CAL = clinical attachment loss; RAL = relative attachment level; VD = vertical depth; ACH = alveolar crest height; AD = area of the defect.