Treatment need Adolescent 1 Adult 1 Age Factors 1 Educational Status 1 Elderly population 1 Epidemiological profile 1 Female 1 Humans 1 Male 1 Malocclusion 1 OHIP 1 Oral Health 1 Oral health related quality of life 1 Quality of Life 1 Questionnaires 1 Sex Factors 1 Young Adult 1 adolescent 1 adult 1 age distribution 1 article 1 clinical examination 1 educational status 1 female 1 functional disease 1 human 1 major clinical study 1 male 1 malocclusion 1