A Comprehensive Analysis of Clinical Crowns in Young of Han Nationality with Normal Occlusion Using Intraoral Scanning

Table 8

The repeatability analysis of angle parameters of clinical crowns of permanent teeth in the youth of Han nationality.

	Mesiodistal angle			Vestibulo-oral angle
	First	Second		First	Second
U3	130.09 ± 6.96	129.42 ± 6.08	0.27	N/A	N/A	N/A
U4	132.22 ± 5.78	132.15 ± 5.50	0.90	110.31 ± 10.27	110.02 ± 9.80	0.65
U6	139.25 ± 6.96	138.35 ± 7.25	0.06	117.43 ± 9.12	116.96 ± 9.06	0.48
L3	128.72 ± 8.63	128.52 ± 8.79	0.73	N/A	N/A	N/A
L4	129.95 ± 7.60	129.52 ± 7.42	0.35	134.26 ± 12.18	134.41 ± 11.89	0.79
L6	144.42 ± 8.66	144.26 ± 9.07	0.72	117.98 ± 18.64	117.93 ± 18.92	0.92