Table 2.

Data at baseline, 12 months and 7 years for the PTG and OFD groups

Patient/implants	Radiographic defect height at deepest site (mm)			The site with the deepest PPD (mm)			PlI	BoP	BoP	BoP
	Baseline	12 months	7 years	Baseline	12 months	7 years	7 years	Baseline	12 months	7 years
1. PTG	5.0	2.3	1.6	6	3	2	0/6	6/6	6/6	0/6
2. PTG	5.6	3.9	5.6	10	7	4	1/6	6/6	6/6	6/6
3. PTG	7.0	3.5	7.0	9	7	9	2/6	6/6	6/6	6/6
4. PTG	3.1	1.7	2.5	6	4	4	0/6	6/6	0/6	6/6
5. PTG	4.6	0.8	2.2	9	7	3	0/6	4/6	6/6	6/6
6. PTG	7.1	4.1	8.9	8	4	4	6/6	3/6	4/6	3/6
Mean ± SD (min, max)	5.4 ± 1.5 (3.1–7.1)	2.7 ± 1.3 (0.8–4.1)	4.6 ± 3.0 (1.6–8.9)	8 ± 1.7 (6–10)	5.3 ± 1.9 (3–7)	4.3 ± 2.4 (2–9)	25%	92%	77%	75%
1. OFD	3.3	1.2	3.2	8	5	4	1/6	6/6	0/6	6/6
2. OFD	3.2	2.6	4.4	5	3	5	0/6	6/6	6/6	6/6
3. OFD	6.3	5.3	5.8	7	8	4	6/6	6/6	6/6	6/6
4. OFD	3.9	3.5	6.8	6	4	4	0/6	6/6	6/6	4/6
5. OFD	5.3	4.2	4.9	13	5	2	0/6	6/6	6/6	0/6
6. OFD	3.5	2.4	1.8	9	2	2	6/6	6/6	6/6	6/6
Mean ± SD (min, max)	4.3 ± 1.3 (3.2–6.3)	3.2 ± 1.4 (1.2–5.3)	4.5 ± 1.8 (1.8–6.8)	8 ± 2.8 (5–13)	4.5 ± 2.1 (2–8)	3.5 ± 1.2 (2–5)	36%	100%	83%	78%