. 2026 Mar 2;34:e20250565. doi: 10.1590/1678-7765-2025-0565

Table 1. Comparative periodontal parameters of SCTG + CAF and ozonized A-PRF + CAF at baseline, 90 days, and 180 days.

	Group 1 (SCTG + CAF)			Group 2 (ozonized A-PRF + CAF)
	T0 (Baseline)	T1	T2	T0 (Baseline)	T1	T2
		(90 days)	(180 days)		(90 days)	(180 days)
Probing depth
PD-M (mm)	1.95±0.95^A	1.59±0.66^A	1.63±0.72^A	1.81±0.73^A	1.54±0.59^A	1.59±0.73^A
PD-V (mm)	1.45±0.49^A	1.27±0.63^A	1.63±1.04^A	1.54±0.50^A	1.04±0.21^A	1.09±0.29^A
PD-D (mm)	1.72±0.70^A	1.50±0.67^A	1.72±0.93^A	1.86±0.71^A	1.31±0.47^A	1.27±0.45^A
Bleeding and attachment
BOP	0.22±0.42^A	0.18±0.39^A	0.27±0.45^A	0.36±0.49^A	0.31±0.47^A	0.22±0.42^A
CAL (mm)	4.63±1.17^A	2.63±1.64^B	2.86±1.52^B	4.59±1.56^A	3.18±1.00^A	2.90±1.15^B
Keratinized tissue and recession
KTW (mm)	3.72±0.93^A	4.54±1.05^B	4.54±1.05^B	3.68±1.17^A	3.90±0.97^A	3.90±0.97^A
RH (mm)	3.09±0.92^A	1.36±1.36^B	1.22±1.23^B	3.18±1.40^A	2.13±1.03^B	1.77±1.19^B
RW (mm)	3.54±0.91^A	1.63±1.32^B	1.59±1.33^B	3.22±0.75^A	2.54±0.50^B	2.13±0.99^B
KTT (mm)	1.36±0.49^A	2.09±0.52^B	2.13±0.56^B	1.27±0.45^A	1.59±0.50^A	1.54±0.50^A
Postoperative pain assessment
DHS (VAS)	4.59±2.98^A	2.00±2.42^B	2.09±2.61^B	5.09±2.67^A	2.63±2.95^B	2.54±2.93^B

*Abbreviations: PD-M: Mesial probing depth; PD-V: Vestibular probing depth; PD-D: Distal probing depth; BOP: Bleeding on probing; CAL: Clinical attachment level; KTW: Keratinized tissue width; RH: Recession height; RW: Recession width; KTT: Gingival tissue thickness; DHS: Dentin hypersensitivity; VAS: Visual analog scale.

Different letters indicate statistically significant differences within each treatment group over time (p < 0.05).