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

Table 3 Site furcation level mean (± SEM) recordings for the clinical parameters and gingival crevicular fluid volume at baseline, and at 6 and 12 months and mean change (Δ) from baseline and 6 months

	Baseline	p	6 months	p	12 months	p	Δ_0–6	p	Δ_6–12	p	Δ_0–12	p
PD
Test	4.8 ± 0.4		4.0 ± 0.4		3.7 ± 0.4		− 0.9 ± 0.2	< 0.001	− 0.2 ± 0.2	0.331	− 1.0 ± 0.2	< 0.001
Control	4.6 ± 0.2		3.5 ± 0.3		3.4 ± 0.3		− 1.05 ± 0.2	< 0.001	− 0.1 ± 0.2	0.534	− 1.2 ± 0.3	< 0.001
Difference	0.2 ± 0.3	0.468	0.5 ± 0.4	0.192	0.4 ± 0.4	0.232	0.20 ± 0.3	0.454	− 0.0 ± 0.3	0.901	0.2 ± 0.3	0.540
CAL
Test	5.5 ± 0.4		5.2 ± 0.4		5.1 ± 0.4		− 0.3 ± 0.2	0.175	− 0.1 ± 0.2	0.502	− 0.4 ± 0.3	0.119
Control	5.0 ± 0.2		4.4 ± 0.3		4.5 ± 0.3		− 0.6 ± 0.1	< 0.001	0.1 ± 0.1	0.584	− 0.5 ± 0.2	0.004
Difference	0.5 ± 0.4	0.221	0.8 ± 0.4	0.032	0.6 ± 0.4	0.097	0.3 ± 0.2	0.107	− 0.2 ± 0.2	0.404	0.2 ± 0.2	0.448
GCF
Test	79.5 ± 7.5		57.3 ± 7.5		44.0 ± 7.7		− 22.2 ± 11.0	0.044	− 14.6 ± 11.2	0.171	− 36.7 ± 11.2	0.001
Control	78.8 ± 7.5		55.1 ± 7.5		45.0 ± 7.7		− 23.7 ± 7.6	0.002	− 10.6 ± 7.7	0.171	− 34.2 ± 7.7	< 0.001
Difference	0.7 ± 8.8	0.937	2.2 ± 8.8	0.804	− 1.0 ± 9.1	0.917	− 1.5 ± 12.5	0.905	3.2 ± 12.7	0.804	1.7 ± 12.7	0.897

Probing depth (PD) and clinical attachment level (CAL) in mm; gingival crevicular fluid (GCF) in µL

ISSN: 1472-6831