BMC Oral Health

Table 4 Stress distributions (MPa) at the palatal and tooth landmarks after activation of the device in the different models

From: The comparison of biomechanical effects of the conventional and bone-borne palatal expanders on late adolescence with unilateral cleft palate: a 3-dimensional finite element analysis

Positions	C-RPE		B-RPE
Positions	Cleft side	Non-cleft side	Cleft side	Non-cleft side
Palatal landmarks
Anterior palate (A1)	0.2562	0.0047	0.0088	0.0164
Middle palate (A2)	0.2176	0.0152	1.1956	0.0175
Posterior palate (A3)	0.0014	0.0012	0.0272	0.0125
Dental landmarks
Cusp tip of 4 (B1)	0.3461	0.2765	0.0009	0.0005
Cusp tip of 5 (B2)	0.0035	0.0012	0.0010	0.0006
Cusp tip of 6 (B3)	0.1978	0.5720	0.0042	0.0064
Cusp tip of 7 (B4)	0.0034	0.0059	0.0033	0.0089

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ISSN: 1472-6831

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