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Table 6 Associations between the emergence of each tooth type and growth rates from birth to 3 months

From: Association of infant growth with emergence of permanent dentition among 12 year-aged southern Chinese school children

Tooth type Mean Growth rate from birth to 3 monthsa (SD) p
Complete emergence Incomplete emergence
Maxillary
 Central incisor 0.25 (0.89)
 Lateral incisor 0.25 (0.89) 0.29 (0.57) 0.917
 Canine 0.23 (0.88) 0.51 (1.01) 0.083
 1st premolar 0.25 (0.89) 0.24 (0.97) 0.981
 2nd premolar 0.24 (0.89) 0.28 (0.91) 0.799
 1st molar 0.25 (0.89) 0.69 0.618
 2nd molar 0.17 (0.91) 0.35 (0.85) 0.029*
Mandibular
 Central incisor 0.25 (0.89) 0.20 (0.75) 0.882
 Lateral incisor 0.25 (0.89) 0.32 (0.67) 0.780
 Canine 0.25 (0.89) 0.13 (1.12) 0.737
 1st premolar 0.24 (0.89) 0.36 (0.73) 0.596
 2nd premolar 0.25 (0.90) 0.19 (0.77) 0.621
 1st molar 0.25 (0.89) 0.06 0.831
 2nd molar 0.22 (0.90) 0.34 (0.83) 0.256
  1. aGrowth rate from birth to 3 months = weight z-score – birth weight z-score
  2. Two sample t-test; *p < 0.05