Table 1.

Measurements of the force losses of all bracket types in combination with the nickel-titanium (NiTi) archwires. (SD standard deviation)

	Force loss due to sliding resistance [%]
	NiTi					NiTi
	0.016 inch × 0.022 inch					0.017 inch × 0.025 inch
	25%	Median	75%	Mean	SD	25%	Median	75%	Mean	SD
Bracket type
Shark SL	26	30	39.5	32.2	7.6	31	38	43	37.2	6.4
Brillant®	14	25	28.5	24	5.1	22	28	29.5	26.2	4.1
Inspire Ice™	27.5	32	43	34.6	10.8	46	54	56.5	51.8	6.7
discovery® pearl	38	44	59	47.6	13.7	34	51	55	45.8	11.5
discovery®	16.5	25	35	25.6	9.6	25.5	33	38.5	32.2	7.1
equilibrium® ti	24.5	27	29.5	27	2.7	23	34	38	31.2	9.2