Comparison of 3D-printed and laboratory-fabricated Hyrax on stress distribution and displacement of the maxillary complex: a 3D finite element study

Progress in Orthodontics

Table 3 Bony stress evaluations reported as von Mises stress in MPa

Landmark	F-Hyrax	H-Hyrax	T-Hyrax
Medial pterygoid plate	77.66	69.87	69.83
Lateral pterygoid plate	71.50	57.33	57.03
Alveolar bone	25.67	19.39	18.71
Zygomaticomaxillary Buttress	67.31	55.59	55.41