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Table 1 Number of injuries, according to age groups

From: Large overjet as a risk factor of traumatic dental injuries: a prospective longitudinal study

 

Age

Total

7.00

8.00

9.00

10.0

11.0

12.0

13.0

14.0

 

TRAUMA

 No trauma during follow-up period

  Count

32

160

212

243

249

223

182

36

1337

  Expected count

31

164

214

241

256

221

175

35

1337

 Trauma during follow-up period

  Count

1

13

14

12

22

10

3

1

76

  Expected count

1.8

9.3

12.2

13.7

14.6

12.5

10.0

2.0

76.0

Total

 Count

33

173

226

255

271

233

185

37

1413

 Expected count

33

173

226

255

271

233

185

37

1413