A novel customized ceramic bracket for esthetic orthodontics: in vitro study

Progress in Orthodontics

Table 2 One-way ANOVA comparing different group static and kinetic frictional resistance in Newton

Group	Static frictional resistance			Kinetic frictional resistance
Group	Mean	SD	P-value	Mean	SD	P-value
18 × 25-SSL			< 0.001			< 0.001
CCB	0.77^bc	0.18		0.70^bc	0.16
CA	0.72^b	0.20		0.68^b	0.18
C7	0.94^c	0.15		0.87^c	0.14
IC	0.52^a	0.08		0.50^a	0.08
18 × 25-EL			< 0.001			< 0.001
CCB	0.93^b	0.11		0.90^b	0.11
CA	1.00^bc	0.19		0.89^b	0.14
C7	1.14^c	0.17		1.00^b	0.17
IC	0.59^a	0.05		0.57^a	0.05
16-SSL			< 0.001			< 0.001
CCB	0.75^c	0.17		0.70^c	0.14
CA	0.55^b	0.13		0.52^b	0.13
C7	0.53^b	0.15		0.48^b	0.14
IC	0.33^a	0.03		0.30^a	0.05
16-EL			< 0.001			< 0.01
CCB	0.48^a	0.10		0.44^a	0.08
CA	0.65^b	0.06		0.54^b	0.07
C7	0.54^a	0.05		0.45^ab	0.05
IC	0.45^a	0.08		0.44^a	0.07

Mean values with the same superscript letters in common group were not statistically different (P ≥ 0.05)