Stress and displacement patterns in the craniofacial skeleton with rapid maxillary expansion—a finite element method study

Progress in Orthodontics

Table 3 Computational result of von Mises stress contours of the various sutural structures

Sutures	VM stress, max (MPa)	VM stress, min (MPa)	VM stress, average (kg/mm²)
Frontomaxillary	37.8	1.416	19.608
Frontonasal	15.978	2.849	9.41
Frontozygomatic	13.39	3.034	8.212
Internasal	41.602	3.984	22.79
Laminacribosa	7.107	0.966	4.036
Mid-palatal	59.532	1.531	30.53
Nasomaxillary	25.51	3.103	14.306
Pterygomaxillary	46.495	6.336	26.41
Spheno maxillary	39.738	2.663	21.2
Sphenozygomatic	19.575	1.045	10.31
Temporozygomatic	21.266	0.308	10.78
Zygomaticomaxillary	36.558	3.898	20.228