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 |