Table 3.

Analysis of outcome parameters with Kruskal- Wallis nonparametric test

	Time point	Mean±SD	P
Quality score (maximum 3)	Baseline	2.2±1.2	0.35
	24 h	2±1.0
	48 h	2.2±0.9
	7 days	2.1±1.0
	14 days	2.4±0.9
Percent of correct strokes	Baseline	63.2±40.3	0.86
	24 h	56.8±40.1
	48 h	66.1±38.3
	7 days	61.8±41.8
	14 days	62.7±40.1
Percent of correct angulations of toothbrush	Baseline	38.2±26.4	0.69
	24 h	42±32.2
	48 h	47.2±27.6
	7 days	44±28.9
	14 days	41.6±29.0
Percent of correct brush positions	Baseline	38.2±33.0	0.72
	24 h	43.8±37.2
	48 h	48.8±35.2
	7 days	45.2±34.4
	14 days	46.5±36.7
Overall accuracy (%)	Baseline	46.5±26.7	0.64
	24 h	47.5±30.0
	48 h	54.0±25.3
	7 days	50.3±27.6
	14 days	50.3±25.9
Time (s)	Baseline	70±19.4	0.80
	24 h	63±8.4
	48 h	58.8±11.1
	7 days	61.5±14.6
	14 days	54.3±11.6

SD=Standard deviation. P=Not significant