Impact of malocclusion on oral health-related quality of life among adolescents in Lithuania

Aim of the study This study aimed to evaluate the impact of malocclusion on OHRQoL among adolescents aged 11–18 years in Lithuania. Objectives of the study The following objectives of the study were formulated: 1. To elaborate a Lithuanian version of the “Child Perceptions Questionnaire” (CPQ) and evaluate its psychometric characteristics in the Lithuanian population of adolescents aged 11–18 years. 2. To analyse the relationship of OHRQoL with demographic, social and psychological factors. 3. To explore the prevalence of malocclusion and orthodontic treatment need among adolescents aged 11–18 years in Lithuania. 4. To examine the association of adolescents’ OHRQoL with malocclu-sion and orthodontic treatment need. 5. To evaluate adolescents’ OHRQoL according to the self-reported orthodontic treatment and its outcom