DESI	Dental Esthetic Screening Index
PIDAQ	Psychosocial Impact of Dental Esthetics Questionnaire
ICC	Intraclass correlation coefficient
SEM	Standard error of measurement
MDC	Minimal detectable change
CI	Confidence interval
OR	Odds ratio
QoL	Quality of life
HRQoL	Health-related quality of life
OHRQoL	Oral health-related quality of life
IOTN	Index of Orthodontic Treatment Need
DAI	Dental Aesthetic Index
PEI	Prosthetic Esthetic Index
AAP	American Academy of Pediatrics
GASTAT	General Authority for Statistics in Saudi Arabia
KFU	King Faisal University
χ2	Chi-square
LoA	Limits of agreement
IOTN-AC	Index of Orthodontic Treatment Need, Aesthetic Component
OHIP-14	Oral Health Impact Profile 14-item version
IOTN-DHC	Index of Orthodontic Treatment Need, Dental Health Component