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Table 4 Displacement (mm) at the dentition level in all three axes

From: Stress and displacement pattern evaluation using two different palatal expanders in unilateral cleft lip and palate: a three-dimensional finite element analysis

Dentition level Conventional HYRAX rapid maxillary expander Bone-borne palatal expander
Cleft side Non-cleft side Cleft side Non-cleft side
X-axis Y-axis Z-axis X-axis Y-axis Z-axis X-axis Y-axis Z-axis X-axis Y-axis Z-axis
Canine cusp tip 0.01589 0.06524 0.04360 0.09032 0.01959 0.05108 0.1227 0.07587 0.05691 0.01383 0.08800 0.03172
Pre-molar cusp tip 0.01397 0.06710 0.04412 0.09397 0.01707 0.01019 0.1305 0.07964 0.06504 0.01331 0.06006 0.06641
Molar cusp tip 0.01238 0.05594 0.04992 0.08420 0.01473 0.01053 0.1225 0.06189 0.07359 0.01397 0.05821 0.07001