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Table 3 Von Mises stress values for the cancellous bone

From: Maxillary posterior intrusion with corticotomy-assisted approaches with zygomatic anchorage—a finite element stress analysis

 

Scenario 1 (MPa)

Scenario 2 (MPa)

Scenario 3 (MPa)

Anterior nasal spine

1 × 10−3

1 × 10−3

1 × 10−3

Infraorbital foramen

1 × 10−3

1 × 10−3

1 × 10−3

Zygomatic buttress

20 × 10 3

20 × 10−3

20 × 10−3

Buccal horizontal corticotomy

4 × 10−3

17 × 10−3

18 × 10−3

Buccal vertical corticotomy

1 × 10−3

5 × 10−3

6 × 10−3

Palatal horizontal corticotomy

2 × 10−3

2 × 10−3

14 × 10−3

Palatal vertical corticotomy

2 × 10−3

3 × 10−3

6 × 10−3

  1. Scenario 1, no corticotomy; scenario 2, buccal corticotomy; scenario 3, buccal and palatal corticotomy; MPa megapascal