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. 2021 Oct 20;18(21):11003. doi: 10.3390/ijerph182111003

Table 1.

Search strategy for study-related articles.

Serial # Keywords PubMed Scopus WOS MDPI
1 Smoking and oral health 184 910 777 36
2 Smoking effects on oral health 134 223 140 05
3 Cigarette smoking 1186 460 508 421
4 Smoking and tobacco use 2192 678 397 249
Total articles retrieved 3696 2271 1822 711
Removal of duplicate articles 972 657 507 120