Results of an experimental study of subgingival cleaning effectiveness in the furcation area

BMC Oral Health

Table 3 RCE (relative cleaning efficacy) categorized according to furcation height (all, \(<\) 2 mm, 2–3 mm, \(>\) 3 mm) and probing depth (all, 3–5 mm, 6–8 mm, 9–11 mm)

Category	All	Furcation height < 2 mm	Furcation height 2–3 mm	Furcation height > 3 mm	Pairwise comparison	p-value
Overall RCE in %	34.11 ± 25.01	34.86 ± 26.23	30.14 ± 26.05	25.81 ± 28.63	\(>\) 3 mm versus 2–3 mm	p > 0.05
					\(>\) 3 mm versus \(<\) 2 mm	p < 0.001
					2–3 mm versus \(<\) 2 mm	p > 0.05
RCE for furcation roof in %	30.51 ± 24.79	27.54 ± 26.36	32.16 ± 28.32	23.83 ± 32.87	\(>\) 3 mm versus 2–3 mm	p < 0.001
					\(>\) 3 mm versus \(<\) 2 mm	p = 0.002
					2–3 mm versus \(<\) 2 mm	p > 0.05
RCE for all vertical root surfaces in %	35.65 ± 26.16	37.82 ± 27.63	29.76 ± 26.17	26.13 ± 28.55	\(>\) 3 mm versus 2–3 mm	p > 0.05
					\(>\) 3 mm versus \(<\) 2 mm	p < 0.001
					2–3 mm versus \(<\) 2 mm	p = 0.002

		Probing depth 3–5 mm	Probing depth 6–8 mm	Probing depth 9–11 mm
Overall RCE in %	34.11 ± 25.01	32.45 ± 24.43	39.98 ± 29.26	10.62 ± 14.03	9–11 mm versus 3–5 mm	p < 0.001
					9–11 mm versus 6–8 mm	p < 0.001
					3–5 mm versus 6–8 mm	p > 0.05
RCE for furcation roof in %	30.51 ± 24.79	24.78 ± 26.30	37.39 ± 31.76	12.81 ± 21.87	9–11 mm versus 3–5 mm	p < 0.001
					9–11 mm versus 6–8 mm	p < 0.001
					3–5 mm versus 6–8 mm	p < 0.001
RCE for all vertical root surfaces in %	35.65 ± 26.16	34.77 ± 24.74	41.20 ± 30.08	10.11 ± 13.10	9–11 mm versus 3–5 mm	p < 0.001
					9–11 mm versus 6–8 mm	p < 0.001
					3–5 mm versus 6–8 mm	p > 0.05

Average values and p-values are shown. All significant p-values are highlighted with bold font

ISSN: 1472-6831