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Table 4 Accuracy of movements achieved

From: Predictability of orthodontic movement with orthodontic aligners: a retrospective study

  N Mean accuracy Standard deviation Mean standard error Significance
Upper arch
 VL tip incisors 28 0.65 0.34 0.064714 *
 VL tip canines 16 0.54 0.57 0.143044 *
 VL tip premolars 32 0.70 0.81 0.142849 *
 VL tip molars 16 0.52 0.53 0.133131 *
 MD tip incisors 36 0.77 0.58 0.096078 *
 MD tip canines 16 0.78 0.50 0.125380 NS
 MD tip premolars 27 0.71 0.78 0.150417 NS
 MD tip molars 22 0.98 0.98 0.217782 NS
 Rot. incisors 45 0.61 0.29 0.042538 *
 Rot. canines 25 0.62 0.66 0.131114 *
 Rot. premolars 29 0.54 0.54 0.100854 *
 Rot. molars 18 0.78 0.61 0.144458 NS
Lower arch
 VL tip incisors 35 0.86 0.65 0.109173 NS
 VL tip canines 15 0.66 0.55 0.142351 *
 VL tip premolars 29 0.90 0.82 0.151409 NS
 VL tip molars 7 0.86 0.51 0.191882 NS
 MD tip incisors 31 0.88 0.86 0.154196 NS
 MD tip canines 18 0.87 0.82 0.193936 NS
 MD tip premolars 33 0.97 0.97 0.168750 NS
 MD tip molars 17 0.62 0.82 0.199778 NS
 Rot. incisors 51 0.67 0.57 0.080357 *
 Rot. canines 25 0.54 0.74 0.147841 *
 Rot. premolars 36 0.83 1.38 0.229989 NS
 Rot. molars 14 0.85 0.67 0.180257 NS
  1. VL tip vestibulolingual tip, MD tip mesiodistal tip, Rot. rotation, NS not significant
  2. *p < 0.05