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