. 2020 Oct 16;70(Suppl 1):S7–S15. doi: 10.1111/idj.12571

Table 5.

Change from pre-brushing baseline mean RMNPI scores at the baseline post-brushing assessment (single brushing)

	Baseline (SD)^*	Adjusted mean (SE) change from pre-brushing baseline	Ratio vs. manual brush^†	2-Sided P-value
Whole mouth
Manual brush	0.616 (0.035)	0.332 (0.010)	–	<0.001
Novel O-R electric brush	0.620 (0.044)	0.474 (0.008)	1.43	<0.001
Whole-mouth proximal
Manual brush	1.000 (0.000)	0.591 (0.017)	–	<0.001
Novel O-R electric brush	1.000 (0.000)	0.822 (0.013)	1.39	<0.001
Whole-mouth gingival margin
Manual brush	1.000 (0.000)	0.461 (0.017)	–	<0.001
Novel O-R electric brush	1.000 (0.000)	0.697 (0.016)	1.51	<0.001
Lingual surfaces
Whole mouth
Manual brush	0.620 (0.036)	0.226 (0.015)	–	<0.001
Novel O-R electric brush	0.618 (0.040)	0.421 (0.011)	1.86	<0.001
Proximal
Manual brush	1.000 (0.000)	0.435 (0.027)	–	<0.001
Novel O-R electric brush	1.000 (0.000)	0.763 (0.018)	1.75	<0.001
Gingival margin
Manual brush	1.000 (0.000)	0.267 (0.024)	–	<0.001
Novel O-R electric brush	1.000 (0.000)	0.589 (0.020)	2.21	<0.001
Molar surfaces
Whole mouth
Manual brush	0.648 (0.043)	0.163 (0.012)	–	<0.001
Novel O-R electric brush	0.651 (0.047)	0.311 (0.016)	1.91	<0.001
Proximal
Manual brush	1.000 (0.000)	0.232 (0.026)	–	<0.001
Novel O-R electric brush	1.000 (0.000)	0.520 (0.033)	2.24	<0.001
Gingival margin
Manual brush	1.000 (0.000)	0.127 (0.017)	–	<0.001
Novel O-R electric brush	1.000 (0.000)	0.331 (0.031)	2.61	<0.001

Baseline plaque measures did not differ significantly (P ≥ 0.608) between treatment groups.

^†

Ratio = novel electric O-R brush/manual brush.