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Table 1 Mean and SD age, sex and facial pattern for patients at T0 (pre-treatment), T1 (post-facemask treatment) and T2 (long-term follow up)

From: Long-term skeletal and dentoalveolar effects of hybrid rapid maxillary expansion and facemask treatment in growing skeletal Class III patients: a retrospective follow-up study

 

T0

T1

T2

Age

11 years, 4 months ± 1 years, 10 months

(8 years, 8 months–18 years, 10 months)

12 years, 1 months ± 1 years, 9 months

(9 years, 5 months–19 years, 5 months)

19 years, 10 months ± 1 years, 9 months

(15 years, 8 months–24 years, 3 months)

Gender

15 females (55,6%) e 12 males (44,4%)

Facial pattern

Hyperdivergent: 18.52%

Normodivergent: 74.07%

Hypodivergent: 7,41%

Hyperdivergent: 29.63%

Normodivergent: 62.97%

Hypodivergent: 7.41%

Hyperdivergent: 11.11%

Normodivergent: 59.26%

Hypodivergent: 29.63%