Progress in Orthodontics

Table 5 Von Mises stress values for the root apices

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)
I. Premolar buccal	1 × 10⁻³	2 × 10⁻³	1 × 10⁻³
I. Premolar palatal	3 × 10⁻³	2 × 10⁻³	3 × 10⁻³
II. Premolar	19 × 10⁻³	21 × 10⁻³	18 × 10⁻³
I. Molar mesiobuccal	45 × 10⁻³	51 × 10⁻³	52 × 10⁻³
I. Molar distobuccal	25 × 10⁻³	21 × 10⁻³	26 × 10⁻³
I. Molar palatal	11 × 10⁻³	8 × 10⁻³	11 × 10⁻³
II. Molar mesiobuccal	22 × 10⁻³	31 × 10⁻³	24 × 10⁻³
II. Molar distobuccal	25 × 10⁻³	32 × 10⁻³	36 × 10⁻³
II. Molar palatal	18 × 10⁻³	13 × 10⁻³	21 × 10⁻³

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

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