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Table 1 Summary of patients

From: The effect of botulinum toxin-A injection into the masseter muscles on prevention of plate fracture and post-operative relapse in patients receiving orthognathic surgery

 

No treatment

BTX-A injection

Age (years)

24.0 ± 6.1

21.3 ± 2.4

Sex

Female

4

2

Male

4

6

Amount of setback (mm)

7.61 ± 4.04

5.70 ± 2.44

Additional treatment

LeFort I osteotomy

5

3

Genioplasty

3

5

Angle reduction

0

1

Lower border reduction

1

0