A 12-month randomized controlled trial evaluating erythritol air-polishing versus curette/ultrasonic debridement of mandibular furcations in supportive periodontal therapy

Table 2 Patient level mean (± SEM) recordings for the clinical parameters at baseline, 6, 9, and 12 months and mean change (Δ) from baseline and 6 months

	Baseline	3 months	6 months	9 months	12 months	Δ_0–6	p	Δ_6–12	P	Δ_0–12	p
PD	3.2 ± 0.1	2.9 ± 0.1	2.8 ± 0.1	2.7 ± 0.1	2.7 ± 0.1	− 0.4 ± 0.0	< 0.001	− 0.2 ± 0.0	0.094	− 0.5 ± 0.1	< 0.001
CAL	4.0 ± 0.2	3.7 ± 0.2	3.6 ± 0.2	3.5 ± 0.2	3.5 ± 0.2	− 0.3 ± 0.0	< 0.001	− 0.2 ± 0.0	< 0.001	− 0.5 ± 0.1	< 0.001
Plaque	56.1 ± 4.3	45.5 ± 4.3	46.5 ± 4.5	45.6 ± 4.8	44.6 ± 5.2	− 9.6 ± 3.8	0.010	− 1.8 ± 3.8	0.629	− 11.5 ± 4.4	0.009
BoP	54.2 ± 4.1	38.4 ± 4.1	35.6 ± 4.1	32.3 ± 4.1	25.3 ± 4.1	− 18.7 ± 3.3	< 0.001	− 10.3 ± 3.3	0.002	− 28.9 ± 3.3	< 0.001

Probing depth (PD) and clinical attachment level (CAL) in mm; plaque and bleeding on probing (BoP) in %

ISSN: 1472-6831