Progress in Orthodontics

Table 2 Correlation between congenitally missing tooth number and tooth size reduction

From: Frequency of missing teeth and reduction of mesiodistal tooth width in Japanese patients with tooth agenesis

	Male		Female
	ρ	p value	ρ	p value
Maxilla
Central incisor	0.43862	**	0.38505	**
Lateral incisor	0.47517	**	0.29453	**
Canine	0.52780	**	0.27117	**
First premolar	0.62379	**	0.22338	*
Second premolar	0.46537	**	0.00906	NS
First molar	0.55202	**	0.19545	*
Mandible
Central incisor	0.38208	**	0.2475	**
Lateral incisor	0.48131	**	0.39227	**
Canine	0.38966	**	0.26579	**
First premolar	0.54793	**	0.36169	**
Second premolar	0.35016	**	0.36274	**
First molar	0.52197	**	0.09814	NS

NS not significant; *p < 0.05, **p < 0.01

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