Table 1 The standards of permanent teeth emergence (for right and left sides separately) for the total sample, girls and boys and the inter-gender differences
From: Standards for permanent tooth emergence in Czech children
Tooth | Time of emergence | Odd | Sig | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Total | Boys | Girls | ||||||||||||
Median | Percentile | Median | Percentile | Median | Percentile | |||||||||
5th | 95th | 5th | 95th | 5th | 95th | |||||||||
Right side | Maxillary | Central incisor | 6.97 | 6.49 | 7.44 | 7.04 | 6.72 | 7.36 | 6.89 | 6.32 | 7.46 | 2.389 | .017 | Sig |
Lateral incisor | 7.82 | 6.57 | 9.07 | 8.03 | 6.73 | 9.33 | 7.61 | 6.53 | 8.70 | 2.709 | .000 | Sig | ||
Canine | 10.88 | 9.38 | 12.38 | 11.32 | 9.98 | 12.67 | 10.45 | 9.19 | 11.71 | 7.234 | .000 | Sig | ||
First premolar | 9.46 | 8.29 | 10.62 | 9.55 | 8.40 | 10.69 | 9.37 | 8.22 | 10.52 | 1.570 | .085 | NS | ||
Second premolar | 10.92 | 9.54 | 12.30 | 10.98 | 9.59 | 12.38 | 10.86 | 9.51 | 12.21 | 1.293 | .276 | NS | ||
First molar | 6.74 | 6.15 | 7.33 | 6.86 | 6.35 | 7.37 | 6.62 | 5.98 | 7.26 | 3.117 | .001 | Sig | ||
Second molar | 12.57 | 11.13 | 14.02 | 12.67 | 11.03 | 14.32 | 12.48 | 11.25 | 13.71 | 1.402 | .160 | NS | ||
Mandibular | Central incisor | 6.32 | 5.43 | 7.22 | 6.41 | 5.57 | 7.25 | 6.21 | 5.24 | 7.18 | 1.684 | .124 | NS | |
Lateral incisor | 7.25 | 6.52 | 7.99 | 7.34 | 6.60 | 8.07 | 7.18 | 6.47 | 7.88 | 1.930 | .021 | Sig | ||
Canine | 9.26 | 8.16 | 10.35 | 9.41 | 8.33 | 10.49 | 9.12 | 8.06 | 10.17 | 2.283 | .003 | Sig | ||
First premolar | 9.88 | 8.75 | 11.00 | 10.01 | 9.00 | 11.02 | 9.75 | 8.56 | 10.93 | 1.993 | .009 | Sig | ||
Second premolar | 10.75 | 9.42 | 12.09 | 10.89 | 9.49 | 12.29 | 10.62 | 9.40 | 11.84 | 1.822 | .014 | Sig | ||
First molar | 6.34 | 5.47 | 7.21 | 6.47 | 5.69 | 7.25 | 6.17 | 5.19 | 7.14 | 2.254 | .019 | Sig | ||
Second molar | 12.11 | 10.34 | 13.88 | 12.41 | 10.66 | 14.17 | 11.81 | 10.16 | 13.45 | 2.830 | .000 | Sig | ||
Left side | Maxillary | Central incisor | 6.98 | 6.56 | 7.40 | 7.02 | 6.88 | 7.16 | 6.93 | 6.37 | 7.49 | 1.834 | .108 | NS |
Lateral incisor | 7.81 | 6.54 | 9.08 | 8.04 | 6.75 | 9.34 | 7.58 | 6.49 | 8.67 | 3.001 | .000 | Sig | ||
Canine | 10.92 | 9.42 | 12.41 | 11.38 | 10.06 | 12.69 | 10.47 | 9.23 | 11.72 | 7.965 | .000 | Sig | ||
First premolar | 9.46 | 8.31 | 10.62 | 9.56 | 8.49 | 10.64 | 9.37 | 8.17 | 10.57 | 1.632 | .063 | NS | ||
Second premolar | 10.88 | 9.49 | 12.27 | 10.98 | 9.47 | 12.50 | 10.78 | 9.55 | 12.02 | 1.517 | .078 | NS | ||
First molar | 6.73 | 6.08 | 7.38 | 6.87 | 6.33 | 7.41 | 6.58 | 5.85 | 7.30 | 3.443 | .000 | Sig | ||
Second molar | 12.68 | 11.01 | 14.36 | 12.77 | 11.22 | 14.31 | 12.60 | 10.83 | 14.37 | 1.393 | .144 | NS | ||
Mandibular | Central incisor | 6.25 | 5.32 | 7.18 | 6.32 | 5.43 | 7.21 | 6.16 | 5.18 | 7.15 | 1.471 | .263 | NS | |
Lateral incisor | 7.28 | 6.44 | 8.11 | 7.36 | 6.48 | 8.24 | 7.20 | 6.45 | 7.96 | 1.808 | .028 | Sig | ||
Canine | 9.26 | 8.13 | 10.40 | 9.34 | 8.19 | 10.49 | 9.19 | 8.09 | 10.30 | 1.483. | .139 | NS | ||
First premolar | 9.86 | 8.80 | 10.92 | 10.00 | 8.99 | 11.00 | 9.72 | 8.66 | 10.79 | 2.156 | .005 | Sig | ||
Second premolar | 10.83 | 9.37 | 12.29 | 10.97 | 9.36 | 12.58 | 10.68 | 9.43 | 11.94 | 1.781 | .013 | Sig | ||
First molar | 6.42 | 5.62 | 7.22 | 6.58 | 5.88 | 7.28 | 6.20 | 5.31 | 7.09 | 3.368 | .001 | Sig | ||
Second molar | 12.05 | 10.47 | 13.64 | 12.26 | 10.74 | 13.77 | 11.84 | 10.27 | 13.42 | 2.213 | .001 | Sig | ||