Visible Portion of Anterior Teeth at Rest and Analysis of Different Smile Characteristics in the Saudi Population of the Jeddah Region

Table 2

Mean ± standard deviation (mm) of clinical crown length (CCL), vertical tooth display at rest (TDR), and the difference between male and female participants.

	Tooth		Male	Female	value
Maxillary anterior teeth	Central incisor	CCL	10.49 ± 0.42	10.41 ± 0.57	0.29
		TDR	2.09 ± 0.92	2.40 ± 0.79	0.028
	Lateral incisor	CCL	9.16 ± 0.54	8.94 ± 0.57	0.01
		TDR	1.47 ± 0.68	1.78 ± 0.78	0.009
	Canine	CCL	10.36 ± 0.64	10.19 ± 0.64	0.09
		TDR	0.52 ± 0.44	0.36 ± 0.33	0.012
Mandibular anterior teeth	Central incisor	CCL	9.28 ± 0.47	9.04 ± 0.43	0.001
		TDR	1.47 ± 0.72	1.34 ± 0.70	0.254
	Lateral incisor	CCL	9.27 ± 0.43	9.21 ± 0.39	0.38
		TDR	1.17 ± 0.61	1.24 ± 0.65	0.698
	Canine	CCL	10.98 ± 0.55	10.79 ± 0.46	0.02
		TDR	0.71 ± 0.59	0.67 ± 0.53	0.48

Significant .