CAOD	Cariados, ausentes, obturados (caries index for permanent dentition; Spanish equivalent of the DMFT index)
cod	Lower-case caries index applied to the primary (deciduous) dentition
DMF	Decayed, missing, and filled (teeth) index
DMFT	Decayed, missing, and filled teeth
GDPR	General Data Protection Regulation
IQR	Interquartile range
LED	Light-emitting diode
LMICs	Low- and middle-income countries
OHI-S	Simplified Oral Hygiene Index
SD	Standard deviation
SPSS	Statistical Package for the Social Sciences
STROBE	Strengthening the Reporting of Observational Studies in Epidemiology
WHO	World Health Organization