Efficacy of a four-curvature auxiliary arch at preventing maxillary central incisor linguoclination during orthodontic treatment: a finite element analysis

Table 5 Incisor displacement and periodontal stress

Group	Displacement (incisor) (mm)			Stress value of periodontal membrane (incisor) (N/mm²)
Group	Incisor end	Root tip	Incisor end-root tip	Max	Min
1^a	0.000254310	− 0.000035989	0.000218321	0.0047893	− 0.0032621
1^b	0.000540930	− 0.000067889	0.000473041	0.0078286	− 0.0197540
1^c	0.000795730	− 0.000099589	0.000696141	0.0114920	− 0.0410020
1^d	0.001005100	− 0.00010403	0.000901070	0.0157670	− 0.0538470
2^a	0.000054449	− 0.000032191	0.000022258	0.00099313	− 0.0031226
2^b	0.000117470	− 0.00005940	0.000058070	0.00085706	− 0.0074521
2^c	0.000164640	− 0.000096064	0.000068576	0.0039847	− 0.0156170
2^d	0.000238740	− 0.00011848	0.000120260	0.0069679	− 0.0572270
3^a	0.000076764	− 0.000051536	0.000025228	0.0028015	− 0.0071706
3^b	0.000397920	− 0.000083806	0.000314114	0.0068559	− 0.0152690
3^c	0.000734920	− 0.00011859	0.000616330	0.0142670	− 0.0401570
3^d	0.001011900	− 0.00015743	0.000854470	0.0190740	− 0.0773010
4^a	0.000273340	− 0.00017600	0.000097340	0.0035990	− 0.0097367
4^b	0.000640890	− 0.00050800	0.000132890	0.0105710	− 0.0161160
4^c	0.000964930	− 0.00094000	0.000024930	0.0178110	− 0.0482940
4^d	0.001274600	− 0.00101000	0.000264600	0.0226450	− 0.0972490

The a, b, c, d respectively correspond to the (0.5, 1, 1.5, 2) N. Where ^a stands for 0.5 N, where ^b stands for 1 N, where ^c stands for 1.5 N, where ^d stands for 2 N

ISSN: 1472-6831