Table 1.

Means and standard deviations of plaque reduction with a single-headed versus triple-headed toothbrush, assessed clinically and on digital images obtained from intraoral scanning using the Quigley-Hein Plaque Index

		Plaque reduction		Plaque reduction
		Single-headed toothbrush		Triple-headed toothbrush		p value	p value
		Clinical	Digital	Clinical	Digital	Clinical	Digital
Total		1.42±0.51	1.52±0.47	1.53±0.46	1.50±0.46	0.34	0.87
Buccal		2.06±0.67	2.15±0.63	2.12±0.63	2.05±0.63	0.66	0.48
Oral		0.75±0.50	0.88±0.42	0.94±0.45	0.96±0.42	0.15	0.50
Posterior		1.43±0.50	1.53±0.45	1.61±0.47	1.60±0.47	0.19	0.60
Anterior		1.40±0.69	1.51±0.67	1.44±0.68	1.43±0.66	0.81	0.57
Posterior	Oral	0.66±0.45	0.79±0.43	0.98±0.46	0.99±0.46	0.02a	0.12
	Buccal	2.18±0.72	2.24±0.70	2.24±0.66	2.14±0.65	0.73	0.59
Anterior	Oral	0.92±0.77	0.98±0.68	0.89±0.72	0.92±0.62	0.84	0.67
	Buccal	1.88±0.82	2.02±0.83	1.98±0.83	1.95±0.84	0.55	0.65
Posterior	Left	1.41±0.52	1.52±0.44	1.50±0.53	1.48±0.51	0.58	0.80
	Right	1.46±0.58	1.55±0.55	1.71±0.55	1.65±0.51	0.07	0.49

Anterior: incisors and canines; Posterior: premolars and molars

^ap < 0.05