Impact of self-esteem on the relationship between orthodontic treatment need and oral health-related quality of life in 11- to 16-year-old children.

The interest in the psychological aspects of orthodontic treatment increases, but a drawback of many studies is that the psychological characteristics of the children themselves are often ignored. One of these psychological attributes is self-esteem (SE), which is a relatively stable personal resource that might moderate the effects of conditions or events. The aim of this study was to investigate whether there is a relationship between orthodontic treatment need and oral health-related quality of life (OHRQoL) and whether this relationship is influenced by SE.

Lip and tongue pressure in orthodontic patients.

The contribution of the force of the lips, cheeks, and tongue is of particular interest in planning treatment. Thus, the aim of this study was to determine if there are differences in lip and tongue pressure as a function of gender, age, Angle classification, characteristics of occlusion, and oral habits. This cross-sectional study comprised 107 subjects (63 females and 44 males), between 7 and 45 years of age (median 15.