Table 2.

Plaque indices and plaque reduction percentages for the whole mouth

	STM system TBI	Conventional TBI
Baseline	3.31 (0.80)	3.21 (0.81)
Immediately after TBI	1.99 (0.73)	2.06 (0.90)
1 week after TBI	2.01 (0.78)	2.12 (0.98)
1 month after TBI	1.88 (0.67)	1.72 (0.95)
Mean decrease	40.50%	40.57%
p valuea	0.44

STM system smart toothbrush and smart mirror system, TBI toothbrushing instruction

^aLinear mixed model for repeated measure data, group x time interaction