Table 2.

Search strategy for each database

Search strategy PubMed	(“Crowns”[Mesh] OR crown*[tiab] OR (“Dental Restoration, Permanent”[Mesh] OR (dental[tiab] OR partial*[tiab] OR coverage*[tiab] OR permanent[tiab] OR composite*[tiab] OR temporar*[tiab] OR provisional*[tiab]) AND (indirect[tiab] OR partial[tiab] OR CEREC[tiab]) AND (restoration*[tiab] OR prothes*[tiab] OR repair*[tiab])) OR inlay*[tiab] OR onlay*[tiab] OR overlay*[tiab] OR ( "Dental Bonding"[Mesh] OR (dental[tiab] OR dentin[tiab]) AND (bonding*[tiab] OR curing*[tiab] OR cure*[tiab] OR “self-curing*”[tiab] OR “self-cure*”[tiab] OR “light-curing*”[tiab] OR “light cure*”[tiab] OR “chemical cure*”[tiab] OR “chemical curing*”[tiab] OR sealing*[tiab])) OR cementation*[tiab] OR (cusp*[tiab] AND coverage*[tiab]) OR IDS[tiab] OR DDS[tiab]) NOT (“Dental Implants”[Mesh] NOT “Dental Restoration, Permanent”[Mesh]) AND (“Gold Alloys”[Mesh] OR “gold alloy*”[tiab] OR (cast*[tiab] AND gold*[tiab]) OR “Dental Porcelain”[Mesh] OR “dental porcelain*”[tiab] OR ceramic*[tiab] OR “IPS Empress”[tiab] OR “lithia disilicate”[Supplementary Concept] OR “lithia disilicate*”[tiab] OR “lithium disilicate*”[tiab] OR “lithium-silicate*”[tiab] OR emax[tiab] OR “IPS-e.max press”[tiab] OR leucite*[tiab] OR LDS[tiab] OR nanoceramic[tiab] OR “Composite Resins”[Mesh] OR “composite resin*”[tiab]) AND (“Dental Restoration Failure”[Mesh] OR “dental restoration failure*”[tiab] OR survival[tiab] OR ((restoration*[tiab] OR clinical*[tiab]) AND (longevity*[tiab])) OR “clinical effectiveness*”[tiab] OR “clinical evaluation*”[tiab] OR “clinical performance*”[tiab] OR “clinical result*”[tiab] OR “clinical outcome*”[tiab] OR “clinical efficac*”[tiab] OR “clinical examination*”[tiab] OR “Treatment Outcome”[Mesh] OR “treatment outcome*”[tiab] OR “treatment effectiveness*”[tiab] OR “treatment efficac*”[tiab] OR “success rate*”[tiab] OR USPHS[tiab]) AND (“Randomized Controlled Trial”[Publication Type] OR “Controlled Clinical Trial”[Publication Type] OR randomized[tiab] OR “Clinical Trials as Topic”[Mesh:NoExp] OR randomly[tiab] OR trial[ti] OR “intervention study”[tiab] OR “Prognosis”[Mesh] OR prognos*[tiab] OR prospectiv*[tiab] OR retrospectiv*[tiab] OR “Follow-Up Studies”[Mesh] OR “follow-up”[tiab] OR followup[tiab] OR “followed-up”[tiab] OR longitudinal*[tiab] OR predict*[tiab] OR associat*[tiab] OR relationship*[tiab] OR “Comparative Study”[Publication Type] OR comparative[tiab] OR “Evaluation Study”[Publication Type] OR evaluation[tiab] OR “Survival Analysis”[Mesh] OR “survival analysis”[tiab]) NOT (“In Vitro Techniques”[Mesh]) NOT (“Animals”[Mesh] NOT “Humans”[Mesh])
Search Strategy Embase	(“tooth crown “/exp OR crown*:ti,ab OR “dental inlay “/exp OR (“dental restoration “/exp OR (“dental”:ti,ab OR “partial*”:ti,ab OR “coverage*”:ti,ab OR “permanent”:ti,ab OR “composite*”:ti,ab OR “temporar*”:ti,ab OR “provisional*”:ti,ab) AND (“indirect”:ti,ab OR “partial”:ti,ab OR “CEREC”:ti,ab) AND (“restoration*”:ti,ab OR “prothes*”:ti,ab OR “repair*”:ti,ab)) OR “inlay*”:ti,ab OR “onlay*”:ti,ab OR “overlay*”:ti,ab OR “occlusal veneer*”:ti,ab OR ( “dental bonding “/exp OR (“dental”:ti,ab OR “dentin”:ti,ab) AND (“bonding*”:ti,ab OR “curing*”:ti,ab OR “cure*”:ti,ab OR “self-curing*”:ti,ab OR “self-cure*”:ti,ab OR “light-curing*”:ti,ab OR “light cure*”:ti,ab OR “chemical cure*”:ti,ab OR “chemical curing*”:ti,ab OR “sealing*”:ti,ab)) OR “cementation*”:ti,ab OR (“cusp*”:ti,ab AND “coverage*”:ti,ab) OR “IDS”:ti,ab OR “DDS”:ti,ab) NOT (“tooth implant”/exp NOT “dental restoration”/exp) AND (“gold alloy”/exp OR “gold alloy*”:ti,ab OR (“cast*”:ti,ab AND “gold*”:ti,ab) OR “dental ceramics”/exp OR “dental porcelain*”:ti,ab OR “ceramic*”:ti,ab OR “IPS Empress”:ti,ab OR “lithia disilicate”/exp OR “lithia disilicate*”:ti,ab OR “lithium disilicate*”:ti,ab OR “lithium-silicate*”:ti,ab OR “emax”:ti,ab OR “IPS-e.max press”:ti,ab OR “leucite*”:ti,ab OR “LDS”:ti,ab OR “nanoceramic”:ti,ab OR “composite resin*”:ti,ab) AND (“dental restoration”/exp OR “dental restoration failure*”:ti,ab OR “survival”:ti,ab OR ((“restoration*”:ti,ab OR “clinical*”:ti,ab) AND (“longevity*”:ti,ab)) OR “clinical effectiveness*”:ti,ab OR “clinical eva sinds te tijd die tussen jullie en de search van vandaag zit. luation*”:ti,ab OR “clinical performance*”:ti,ab OR “clinical result*”:ti,ab OR “clinical outcome*”:ti,ab OR “clinical efficac*”:ti,ab OR “clinical examination*”:ti,ab OR “treatment outcome”/exp OR “treatment outcome*”:ti,ab OR “treatment effectiveness”:ti,ab OR “treatment efficac*”:ti,ab OR “success rate*”:ti,ab OR “USPHS”:ti,ab) AND (“clinical trial”/exp OR “intervention study”:ti,ab OR “randomized”:ti,ab OR “randomly”:ti,ab OR “trial”:ti OR “prognosis”/exp OR “prospectiv*”:ti,ab OR “retrospectiv*”:ti,ab OR “follow up”/exp OR “follow-up”:ti,ab OR “followup”:ti,ab OR “followed-up”:ti,ab OR “longitudinal*”:ti,ab OR “predict*”:ti,ab OR “prognos*”:ti,ab OR “associat*”:ti,ab OR “relationship*”:ti,ab OR “comparative effectiveness”/exp OR “comparative”:ti,ab OR “evaluation study”/exp OR “evaluation”:ti,ab OR “survival analysis”/exp) NOT (“in vitro study”/exp) NOT (“animal”/exp NOT “human”/exp)
Search strategy Web of Science	TS = ((“crown*” OR ((“dental” OR “partial*” OR “coverage*” OR “permanent” OR “composite*” OR “temporar*” OR “provisional*”) AND (“indirect” OR “partial” OR “CEREC”) AND (“restoration*” OR “prothes*” OR “repair*”)) OR “inlay*” OR “onlay”* OR “overlay*” OR “occlusal veneer*” OR ((“dental” OR “dentin”) AND (“bonding*” OR “curing*” OR “cure*” OR “self-curing*” OR “self-cure*” OR “light-curing*” OR “light cure*” OR “chemical cure*” OR “chemical curing*” OR “sealing*”)) OR “cementation*” OR (“cusp*” AND “coverage*”) OR “IDS” OR “DDS”) AND (“gold alloy*” OR (“cast*” AND “gold*”) OR “dental porcelain*” OR “ceramic*” OR “IPS Empress” OR “lithia disilicate*” OR “lithium disilicate*” OR “lithium-silicate*” OR “emax” OR “IPS-e.max press” OR “leucite*” OR “LDS” OR “nanoceramic” OR “composite resin*”) AND (“dental restoration failure*” OR “survival” OR ((“restoration*” OR “clinical*”) AND (“longevity*”)) OR “clinical effectiveness*” OR “clinical evaluation*” OR “clinical performance*” OR “clinical result*” OR “clinical outcome*” OR “clinical efficac*” OR “clinical examination*” OR “treatment outcome*” OR “treatment effectiveness*” OR “treatment efficac*” OR “success rate*” OR “USPHS”) AND (“randomized” OR “randomly” OR “trial” OR “intervention study” OR “prognos*” OR “prospectiv*” OR “retrospectiv*” OR “follow-up” OR “followup” OR “followed-up” OR “longitudinal*” OR “predict*” OR “associat*” OR “relationship*” OR “comparative” OR “evaluation” OR “survival analysis”))
Search strategy Cochrane Database	([mh “Crowns”] OR “crown*”:ti,ab OR ([mh “Dental Restoration, Permanent”] OR (“dental”:ti,ab OR “partial*”:ti,ab OR “coverage*”:ti,ab OR “permanent”:ti,ab OR “composite*”:ti,ab OR “temporar*”:ti,ab OR “provisional*”:ti,ab) AND (“indirect”:ti,ab OR “partial”:ti,ab OR “CEREC”:ti,ab) AND (“restoration*”:ti,ab OR “prothes*”:ti,ab OR “repair*”:ti,ab)) OR “inlay*”:ti,ab OR “onlay*”:ti,ab OR “overlay*”:ti,ab OR “occlusal veneer*”:ti,ab OR ( [mh “Dental Bonding”] OR (“dental”:ti,ab OR “dentin”:ti,ab) AND (“bonding*”:ti,ab OR “curing*”:ti,ab OR “cure*”:ti,ab OR “self-curing*”:ti,ab OR “self-cure*”:ti,ab OR “light-curing*”:ti,ab OR “light cure*”:ti,ab OR “chemical cure*”:ti,ab OR “chemical curing*”:ti,ab OR “sealing*”:ti,ab)) OR “cementation*”:ti,ab OR (“cusp*”:ti,ab AND “coverage*”:ti,ab) OR “IDS”:ti,ab OR “DDS”:ti,ab) NOT ([mh “Dental Implants”] NOT [mh “Dental Restoration, Permanent”]) AND ([mh “Gold Alloys”] OR “gold alloy*”:ti,ab OR (“cast*”:ti,ab AND “gold*”:ti,ab) OR [mh “Dental Porcelain”] OR “dental porcelain*”:ti,ab OR “ceramic*”:ti,ab OR “IPS Empress”:ti,ab OR “lithia disilicate*”:ti,ab OR “lithium disilicate*”:ti,ab OR “lithium-silicate*”:ti,ab OR “emax”:ti,ab OR “IPS-e.max press”:ti,ab OR “leucite*”:ti,ab OR “LDS”:ti,ab OR “nanoceramic”:ti,ab OR [mh “Composite Resins”] OR “composite resin*”:ti,ab) AND ([mh “Randomized Controlled Trial”] OR [mh “Controlled Clinical Trial”] OR “randomized”:ti,ab OR [mh “Clinical Trials as Topic”] OR “randomly”:ti,ab OR “trial”:ti OR “intervention study”:ti,ab OR [mh “Prognosis”] OR “prognos*”:ti,ab OR “prospectiv*”:ti,ab OR “retrospectiv*”:ti,ab OR [mh “Follow-Up Studies”] OR “follow-up”:ti,ab OR “followup”:ti,ab OR followed-up:ti,ab OR “longitudinal*”:ti,ab OR “predict*”:ti,ab OR “associat*”:ti,ab OR “relationship*”:ti,ab OR [mh “Comparative Study”] OR “comparative”:ti,ab OR [mh “Evaluation Study”] OR “evaluation”:ti,ab OR [mh “Survival Analysis”] OR “survival analysis”:ti,ab) NOT ([mh “In Vitro Techniques”]) NOT ([mh “Animals”] NOT [mh “Humans”])
Search terms used in databases with “grey literature”	“dental restoration”