Table 1. Showing search strategy, search engine used and number of articles found.

S. no.	Database	Search strategy	Search results
1.	PubMed	((((periodontal disease(Title/Abstract)) OR (cardiovascular health(Title/Abstract))) OR (periodontal disease(MeSH Terms))) OR (cardiovascular(MeSH Terms)))	1,467,897
2.	Google Scholar	Periodontal disease AND Cardiovascular health OR Heart OR Cardiovascular	19,600