Table 1. Search strategy: MEDLINE, Literatura Latino Americana em Ciências da Saúde (LILACS), and EMBASE.

Database	Search strategy
MEDLINE (MeSH terms)	(“Oximetry” [MeSH] OR (“Oximetries”) OR (“Oximetry, Pulse”) OR (“Oximetries, Pulse”) OR (“Pulse Oximetries”) OR (“Pulse Oximetry”)); AND (“Dental Pulp Test” [MeSH] OR (“Tests, Dental Pulp”) OR (“Pulp Tests, Dental”) OR (“Dental Pulp Tests”) OR (“Pulp Test, Dental”)); OR (“Dental Pulp” [MeSH] OR (“Pulp, Dental”) OR (“Pulps, Dental”) OR (“Dental Pulps”))
LILACS (DeCS terms)	“Oximetry” OR “Blood Gas Monitoring” And “Dental Pulp Test” “Oximetría” AND “Prueba de la Pulpa Dental” “Oximetría” AND “Teste da Polpa Dentária”
EMBASE (Emtree terms)	(‘oximetry’/exp OR ‘oximetry’ OR ‘oximetries’ OR ‘oximetry, pulse’/exp OR ‘oximetry, pulse’ OR ‘oximetries, pulse’ OR ‘pulse oximetries’ OR ‘pulse oximetry’/exp OR ‘pulse oximetry’) AND [embase]/lim (‘tooth pulp’/exp OR ‘tooth pulp’ OR ‘dental pulp’ OR ‘dental pulpa’ OR ‘pulp vitality’ OR ‘pulp, tooth’ OR ‘pulpa’ OR ‘pulpa dens vitality’ OR ‘pulpa dentis’ OR ‘pulpal tissue’ OR ‘tooth pulp vitality’ OR ‘tooth pulpa’ OR ‘tooth, pulp’ OR ‘dental pulp test’ OR ‘tests, dental pulp’ OR ‘pulp tests, dental’ OR ‘dental pulp tests’ OR ‘pulp test, dental’ OR ‘pulp, dental’ OR ‘pulps, dental’ OR ‘dental pulps’) AND [embase]/lim

MeSH, Medical Subject Headings; DeCS, Descritores em Ciências da Saúde.