AREALD-30	Arabic Rapid Estimate of Adult Literacy in Dentistry
Brazilian-HeLD	Brazilian-Portuguese version of Health Literacy in Dentistry scale
BOHLAT-P	Brazilian-Portuguese version of the Hong Kong OHL Assessment Task for Pediatric Dentistry
BREALD-30	Brazilian version of the Rapid Estimate of Adult Literacy in Dentistry
BREALMD-20	Brazilian version of 20-item Rapid Estimate Adult Literacy in Medicine and Dentistry
COSMIN	COnsensus-based Standards for the selection of health Measurement Instruments
CPI	Community Periodontal Index
DMFT	Decayed, Missing, and Filled Teeth
HKREALD-30	Hong Kong Rapid Estimate of Adult Literacy in Dentistry
ICC	Intraclass Correlation Coefficient
IREALD-99	Rapid Estimate of Adult Literacy in Dentistry-99 for Iranian population
MeSH	Medical Subject Headings
OHIP	Oral Health Impact Profile
OHIS	Oral Hygiene Index Simplified
OHL	Oral Health Literacy
OHLA-B	Oral Health Literacy Assessment-Brazilian
OHL-AQ-H	Oral Health Literacy Adult Questionnaire-Hindi Version
OHLI	Oral Health Literacy Instrument
OHLI-Cl	Chilean version of OHLI
OHLI-M	Oral health literacy instrument –Malay version
PICOS	the Population, Intervention, Comparator, Outcome, and Study Design
PRISMA	Preferred Reporting Items for Systematic Reviews and Meta-Analysis
PROSPERO	International Prospective Register of Systematic Reviews
REALD-30	Rapid Estimate of Adult Literacy in Dentistry
R-OHLI	Russian version of Oral Health Literacy Instrument
RREALD-30	Romanian version of Rapid Estimate of Adult Literacy in Dentistry-30
SAHLSA	Short Assessment of Health Literacy for Spanish-speaking Adults
ToFHLiD	Test of Functional Health Literacy in Dentistry
ThREALD-30	Thai version of Rapid Estimate of Adult Literacy in Dentistry-30
TREALD-30	Turkish version of Rapid Estimate of Adult Literacy in Dentistry-30
WHO	World Health Organization