Evaluation of Growth and Development of Late Mixed Dentition Upper Dental Arch with Normal Occlusion Using 3-Dimensional Digital Models

Table 2

Means and standard deviations of upper dental arch dimensions at different ages.

Measurement (mm)	10 years (n = 44)		11 years (n = 44)		12 years (n = 44)
	Mean	SD	Mean	SD	Mean	SD
UAAL	7.711	1.040	8.279	0.847	8.670	0.778
UTAL	28.500	1.425	28.882	1.301	29.083	1.357
UICW	35.013	2.356	35.456	2.234	35.968	2.140
UIMW	52.355	2.695	53.036	2.437	53.817	2.051
UAAH	1.817	0.649	1.730	0.612	1.691	0.653	NS
UTAH	11.459	1.503	11.382	1.174	11.265	1.289	NS
UDAL	74.621	2.606	75.703	2.708	77.081	2.300

n, number; SD, standard deviation; NS, not significant; , , .