280 Forensic dentistry
Table 13.9 Age of Achievement of Mineralization Stages of Permanent
Mandibular Teetha
Stage Subjects
Incisors
Canine
Premolars Molars
Central Lateral First Second First Second Third
1 WM ... ... ... ... 3.9 ... 4.1 9.0
BM ... ... ... ... 3.2 ... 3.7 8.2
WF ... ... ... ... 5.0 ... 3.6 9.6
BF ... ... ... ... 3.7 ... 3.5 8.4
(SD) ... ... ... ... (1.17) ... (0.51) (1.23)
2 WM ... ... ... ... 4.6 ... 4.2 9.9
BM ... ... ... ... 3.8 ... 3.9 9.0
WF ... ... ... ... 4.3 ... 4.7 10.0
BF ... ... ... ... 3.6 ... 3.6 9.0
(SD) ... ... ... ... (1.02) ... (0.58) (1.21)
3 WM ... ... ... 4.0 5.3 ... 5.0 11.0
BM ... ... ... 3.4 4.4 ... 4.7 9.6
WF ... ... ... 4.0 4.8 ... 5.2 10.6
BF ... ... ... 3.4 4.8 ... 4.5 9.4
(SD) ... ... ... (0.63) (0.94) ... (0.81) (1.10)
4 WM ... ... 3.5 4.5 5.4 ... 5.9 11.5
BM ... ... 3.7 4.3 5.1 ... 5.5 10.4
WF ... ... 4.2 4.6 5.7 ... 5.6 11.2
BF ... ... 3.2 4.2 4.9 ... 5.2 9.8
(SD) ... ... (0.62) (0.63) (0.73) ... (0.74) (1.03)
5 WM ... 3.8 4.3 5.8 6.1 ... 6.3 12.5
BM ... 3.6 4.2 5.8 6.7 ... 6.4 11.3
WF ... 4.1 4.2 5.5 6.4 ... 6.4 12.0
BF ... 3.5 4.4 5.2 5.7 ... 6.0 10.7
(SD) ... (0.79) (0.64) (0.73) (0.90) ... (1.03) (1.22)
6 WM 3.7 4.1 5.6 6.8 7.6 3.5 8.0 12.6
BM 4.0 4.4 5.5 6.3 7.2 3.0 7.3 12.2
WF 3.9 4.5 5.0 6.4 7.3 3.5 7.4 11.7
BF 3.4 4.1 4.9 6.2 6.6 3.2 6.8 12.2
(SD) (0.57) (0.73) (0.75) (1.14) (1.12) (0.29) (1.04) (0.74)
7 WM 4.7 5.3 6.4 7.7 8.6 4.3 8.1 13.0
BM 4.1 4.9 6.6 7.8 8.5 4.0 8.7 13.2
WF 4.4 4.7 5.8 7.3 8.0 4.2 8.1 13.5
BF 4.0 5.1 6.1 7.0 7.6 3.5 7.6 12.6
(SD) (0.75) (0.77) (1.21) (0.84) (0.89) (0.64) (0.95) (1.34)
8 WM 5.5 6.1 7.6 9.0 9.8 4.3 9.0 ...
BM 5.4 6.0 8.3 9.0 9.4 4.0 8.7 ...
WF 5.2 5.8 6.9 8.5 8.8 4.5 8.9 ...
BF 5.4 5.7 6.8 8.4 8.9 4.1 8.6 ...
(SD) (0.70) (0.76) (0.94) (0.86) (0.96) (0.68) (0.92) ...