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Table 2 Pretreatment oral dysfunctions/habits and incisal relationship of patients affected by unwanted tooth movements (study group) and nonaffected patients (control group)

From: 3D-analysis of unwanted tooth movements despite bonded orthodontic retainers: a pilot study

  Study group (n = 44) Control group (n = 43) p-value
n % n %
Oral dysfunctions/habits at T0 19 43.2 10 23.3 0.049
Interincisal relationship at T0
Incisal overlap with interincisal contact 17 38.6 35 81.4  < 0.001
Incisal overlap without contact 26 59.1 6 14.0  < 0.001
Open bite 1 2.3 2 4.7 0.543
Interincisal relationship at T1
Incisal overlap with interincisal contact 15 34.1 27 62.8 0.007
Incisal overlap without contact 29 65.9 16 37.2 0.007
Open bite 0 0.0 0 0.0 1
Interincisal relationship at T2
Incisal overlap with interincisal contact 17 38.6 31 72.1 0.002
Incisal overlap without contact 26 59.1 11 25.6 0.002
Open bite 1 2.3 1 2.3 0.987
  1. n number