Table 2 Prevalence of Jaw Function and Limitations Related to Osteogenesis Imperfecta (OI) Subtypes

 Maximum unassisted opening (mm) (mean ± SD)

50.6 ± 8.1

46.1 ± 7.9^a

 Reduced jaw opening capacity (%)

8.9

25.0^*

 Chewing

6.7^b

16.7^a

 Drinking

0.0^b

0.0^a

 Exercising

0.0^b

0.0^a

 Eating hard foods

21.7^b

44.4^a

 Eating soft foods

0.0^b

0.0^a

 Smiling/laughing

4.4^b

5.5^a

 Sexual activity

2.2^b

5.5^a

 Cleaning teeth or face

6.7^b

0.0^a

 Yawning

8.9^b

5.5^a

 Swallowing

2.2^b

0.0^a

 Talking

0.0^b

0.0^a

 Having the usual facial appearance

0.0^b

0.0^a