Effect of an Intraorifice Barrier on Endodontically Treated Teeth: A Systematic Review and Meta-Analysis of In Vitro Studies

Table 1

Search strategies.

	Search terms
PubMed
#3	Search #1 AND #2
#2	Search (Coronal Microleakage) OR (Coronal Sealing) OR (Coronal Seal) OR (Coronal Barrier) OR (Intra-coronal Barrier) OR (Intracoronal Barrier) OR (Intraorifice Barrier) OR (Intra-orifice Barrier) OR (Intraorifice Seal) OR (Intra-orifice Seal) OR (Orifice Seal) OR (Orifice Barrier) OR (Intracanal Barrier) OR (Intra-canal Barrier) OR (Intracanal Sealing) OR (Intra-canal Sealing) OR (Barrier Materials) OR (Cervical Barrier)
#1	Search (Tooth, Nonvital) OR (Tooth, nonvital) OR (Nonvital Tooth) OR (Tooth, Devitalized) OR (Devitalized Tooth) OR (Tooth, Pulpless) OR (Pulpless Tooth) OR (Teeth, Pulpless) OR (Pulpless Teeth) OR (Teeth, Devitalized) OR (Devitalized Teeth) OR (Teeth, Nonvital) OR (Nonvital Teeth) OR (Teeth, Endodontically-Treated) OR (Endodontically-Treated Teeth) OR (Teeth, Endodontically Treated) OR (Tooth, Endodontically-Treated) OR (Endodontically-Treated Tooth) OR (Tooth, Endodontically Treated) OR (Root Canal Therapy) OR (Canal Therapies, Root) OR (Canal Therapy, Root) OR (Root Canal Therapies) OR (Therapies, Root Canal) OR (Therapy, Root Canal) OR (Endodontics) OR (Endodontics) OR (Endodontology)
Embase
#3	Search #1 AND #2
#2	Seach “Coronal Microleakage” OR “Coronal Sealing” OR “Coronal Seal” OR “Coronal Barrier” OR “Intra-coronal Barrier” OR “Intracoronal Barrier” OR “Intraorifice Barrier” OR “Intra-orifice Barrier” OR “Intraorifice Seal” OR “Intra-orifice Seal” OR “Orifice Seal” OR “Orifice Barrier” OR “Intracanal Barrier” OR “Intra-canal Barrier” OR “Intracanal Sealing” OR “Intra-canal Sealing” OR “Barrier Materials” OR “Cervical Barrier”
#1	Search “Tooth, Nonvital” OR “Tooth, nonvital” OR “Nonvital Tooth” OR “Tooth, Devitalized” OR “Devitalized Tooth” OR “Tooth, Pulpless” OR “Pulpless Tooth” OR “Teeth, Pulpless” OR “Pulpless Teeth” OR “Teeth, Devitalized” OR “Devitalized Teeth” OR “Teeth, Nonvital” OR “Nonvital Teeth” OR “Teeth, Endodontically-Treated” OR “Endodontically-Treated Teeth” OR “Teeth, Endodontically Treated” OR “Tooth, Endodontically-Treated” OR “Endodontically-Treated Tooth” OR “Tooth, Endodontically Treated” OR “Root Canal Therapy” OR “Canal Therapies, Root” OR “Canal Therapy, Root” OR “Root Canal Therapies” OR “Therapies, Root Canal” OR “Therapy, Root Canal” OR “Endodontics” OR “Endodontics” OR “Endodontology”
Web of Science
#3	Search #1 AND #2
#2	TS=((Coronal Microleakage) OR (Coronal Sealing) OR (Coronal Seal) OR (Coronal Barrier) OR (Intra-coronal Barrier) OR (Intracoronal Barrier) OR (Intraorifice Barrier) OR (Intra-orifice Barrier) OR (Intraorifice Seal) OR (Intra-orifice Seal) OR (Orifice Seal) OR (Orifice Barrier) OR (Intracanal Barrier) OR (Intra-canal Barrier) OR (Intracanal Sealing) OR (Intra-canal Sealing) OR (Barrier Materials) OR (Cervical Barrier))
#1	TS=((Tooth, Nonvital) OR (Tooth, nonvital) OR (Nonvital Tooth) OR (Tooth, Devitalized) OR (Devitalized Tooth) OR (Tooth, Pulpless) OR (Pulpless Tooth) OR (Teeth, Pulpless) OR (Pulpless Teeth) OR (Teeth, Devitalized) OR (Devitalized Teeth) OR (Teeth, Nonvital) OR (Nonvital Teeth) OR (Teeth, Endodontically-Treated) OR (Endodontically-Treated Teeth) OR (Teeth, Endodontically Treated) OR (Tooth, Endodontically-Treated) OR (Endodontically-Treated Tooth) OR (Tooth, Endodontically Treated) OR (Root Canal Therapy) OR (Canal Therapies, Root) OR (Canal Therapy, Root) OR (Root Canal Therapies) OR (Therapies, Root Canal) OR (Therapy, Root Canal) OR (Endodontics) OR (Endodontics) OR (Endodontology))
SciVerse Scopus
#3	Search #1 AND #2
#2	ALL (“Coronal Microleakage”) OR (“Coronal Sealing”) OR (“Coronal Seal”) OR (“Coronal Barrier”) OR (“Intra-coronal Barrier”) OR (“Intracoronal Barrier”) OR (“Intraorifice Barrier”) OR (“Intra-orifice Barrier”) OR (“Intraorifice Seal”) OR (“Intra-orifice Seal”) OR (“Orifice Seal”) OR (“Orifice Barrier”) OR (“Intracanal Barrier”) OR (“Intra-canal Barrier”) OR (“Intracanal Sealing”) OR (“Intra-canal Sealing”) OR (“Barrier Materials”) OR (“Cervical Barrier”)
#1	ALL (“Tooth, Nonvital”) OR (“Tooth, nonvital”) OR (“Nonvital Tooth”) OR (“Tooth, Devitalized”) OR (“Devitalized Tooth”) OR (“Tooth, Pulpless”) OR (“Pulpless Tooth”) OR (“Teeth, Pulpless”) OR (“Pulpless Teeth”) OR (“Teeth, Devitalized”) OR (“Devitalized Teeth”) OR (“Teeth, Nonvital”) OR (“Nonvital Teeth”) OR (“Teeth, Endodontically-Treated”) OR (“Endodontically-Treated Teeth”) OR (“Teeth, Endodontically Treated”) OR (“Tooth, Endodontically-Treated”) OR (“Endodontically-Treated Tooth”) OR (“Tooth, Endodontically Treated”) or (“Root Canal Therapy”) OR (“Canal Therapies, Root”) OR (“Canal Therapy, Root”) OR (“Root Canal Therapies”) OR (“Therapies, Root Canal”) OR (“Therapy, Root Canal”) OR (“Endodontics”) OR (“Endodontics”) OR (“Endodontology”)