An assessment of the magnitude, parallelism, and asymmetry of micro-implant-assisted rapid maxillary expansion in non-growing patients

Progress in Orthodontics

Table 2 Showing total expansion in ZMA (millimeters)

	Pre-expansion			Post-expansion			Total expansion, RT+LT ZMA		Treatment change	p value
	RT	LT	Diff	RT	LT	Diff	Pre	Post	Treatment change	p value
Mean	40.36	40.16	0.20	42.46	42.05	0.41	80.53	84.51	3.99	< .0001
SD	-	-	1.55	-	-	2.33	4.91	5.34	1.60	< .0001