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Table 6 Evaluation of the relationship between the upper incisor inclination and pressure measurements

From: Changes in lips, cheeks and tongue pressures after upper incisor protrusion in Class II division 2 malocclusion: a prospective study

  U1-SN (°) U1-NA (°) U1-NA (mm)
r p r p r p
Upper lip pressure (kPa) T1-T0 −0.024 0.920 0.038 0.875 0.045 0.850
T2-T1 −0.132 0.578 −0.181 0.446 −0.400 0.080
Lower lip pressure (kPa) T1-T0 −0.312 0.181 −0.193 0.414 0.157 0.508
T2-T1 0.099 0.679 0.157 0.508 0.123 0.604
Vertical lip pressure (kPa) T1-T0 0.038 0.873 −0.063 0.793 −0.467 0.038*
T2-T1 0.095 0.690 0.105 0.659 −0.045 0.849
  1. *p < 0.05