Preoperative angle of deviation

Amount of BLRR

20 Δ

5.5 mm

25 Δ

6 mm

30 Δ

7 mm

35 Δ

7.5 mm

40 Δ

8.5 mm

45 Δ

9 mm

50 Δ

10 mm

55 Δ

11 mm