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Table 1 Patients information

From: Change of the airway space in mandibular prognathism after bimaxillary surgery involving maxillary posterior impaction

Patient no. Age (years) Sex Mx post. impactiona (mm) Fixed reference point A-P movement of maxilla (mm) Mn set back (mm) Genioplasty (mm)
1 22 M 5 ANS 12
2 23 M 2.5 ANS 11
3 19 M 5 ANS 13
4 20 M 2 ANS 9.5 Reduction, 4
5 21 M 3 ANS 15 Advancement, 4
6 21 M 6 Incisor tip Advancement, 1 13 Advancement, 6
7 22 M 3 ANS 10 Advancement, 6
8 22 M 4 ANS 10.5 Advancement, 4
9 24 M 3.5 ANS 9 Reduction, 4
10 20 M 5 ANS 9
11 23 M 5 ANS 14.5
12 17 F 2 ANS 5
13 26 F 5 ANS 10
14 19 F 3 ANS 9 Reduction, 4
15 32 F 5 ANS 7.5
16 20 F 3.5 ANS 12 Advancement, 4
17 20 F 5 ANS 8 Advancement, 4
18 19 F 4 ANS 15 Advancement, 4
19 20 F 6 ANS 7
20 18 F 3 ANS 13 Reduction, 4
21 23 F 5 ANS 6.5
22 33 F 5 ANS 5.5
  1. Abbreviations: Mx maxillary, Mn mandibular, Post posterior, ANS anterior nasal spine, A-P anteroposterior
  2. aMaxillary posterior impaction was defined as the upward movement of the posterior nasal spine (PNS) in fixation of reference point