Table 1 Details of search strategies

MEDLINE via PubMed

("bone lid"[All Fields] OR "bony lid"[All Fields] OR "bone window"[All Fields] OR "bony window"[All Fields]) AND ("maxillary sinus"[All Fields] OR "lateral sinus lift"[All Fields] OR "sinus floor augmentation"[All Fields] OR "sinus floor elevation"[All Fields] OR "sinus lifting"[All Fields] OR "sinus lift"[All Fields])

Web of Science

("bone lid" OR "bony lid" OR "bone window" OR "bony window") AND ("maxillary sinus" OR "lateral sinus lift" OR "sinus floor augmentation" OR "sinus floor elevation" OR "sinus lifting" OR "sinus lift") (All Fields)

Cochrane

(“bone lid” OR “bony lid” OR “bone window” OR “bony window”) AND (“maxillary sinus” OR “lateral sinus lift” OR “sinus floor augmentation” OR “sinus floor elevation” OR “sinus lifting” OR “sinus lift”) in Title Abstract Keyword