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Fig. 4 | BMC Oral Health

Fig. 4

From: Displacement and stress distribution of the craniomaxillofacial complex under different surgical conditions: a three-dimensional finite element analysis of fracture mechanics

Fig. 4

Fracture of the palatal suture and stress distribution of the craniomaxillofacial complex in nonsurgical-assisted arch expansion. a The lower mesh before palatal suture reached the yield stress at 52 ms. b At 68 ms, the lower mesh began to disappear. c The crack continued to propagate upwards and backwards at 80 ms. d At 102 ms, the midline palatal suture was completely fractured and the material lost all continuity. e At 140 ms, a load was no longer present

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