Journal of Dental Hygiene Science : eISSN 2233-7679

Table 1

Characteristics of Studies Included in the Review (n=42)

Characteristic Number of studies Percentage
Nation of publication Italy 6 14.2
USA 4 9.5
Korea 4 9.5
Saudi Arabia 3 7.1
Iran 3 7.1
Poland 3 7.1
Singapore 3 7.1
Nigeria 2 4.8
UK 2 4.8
Pakistan 2 4.8
Peru 2 4.8
Egypt 2 4.8
Canada 1 2.4
Brazil 1 2.4
Serbia 1 2.4
Romania 1 2.4
Germany 1 2.4
Netherlands 1 2.4
Study type Quantitative (survey) 14 33.3
Policy research 8 19.1
Review article 19 45.2
Others 1 2.4
J Dent Hyg Sci 2021;21:1-7 https://doi.org/10.17135/jdhs.2021.21.1.1
© 2021 J Dent Hyg Sci