Table 2 Summary of bibliometric characteristics of the included studies

Presence of flow diagram

No = 50% (4)

Yes = 50% (4)

Consort adherence

No = 75% (2)

Yes = 25% (2)

Report the sample calculation

No = 37,5% (3)

Yes = 25% (2)

Unclear = 37,5% (3)

Randomization method

Not reported = 50% (4)

Slot = 12,5% (1)

Computer generation numbers = 37,5% (3)

Blinding

Unclear = 25% (2)

Single = 12,5% (1)

Double = 50% (4)

Triple = 12,5% (1)

Continent

Asia 75% (6)

America 12,5% (1)

Euro Asia 12,5% (1)

Number of authors

1 author = 12,5% (1)

3 authors = 25% (2)

5 authors = 25% (2)

6 authors = 37,5% (3)

Journal

American Journal of Physics 12,5% (1)

Cranio 12,5% (1)

Cureus 12,5% (1)

Indian Journal Dental Research 12,5% (1)

J Clin Exp Dent 12,5% (1)

Journal of Oral and Maxillofacial Surgery 12,5% (1)

Neurology 12,5% (1)

Toxins 12,5% (1)

Funding

Unclear 12,5% (1)

Declared without conflict 12,5% (1)

No funding declared 25% (2)

University’s financial support 25% (2)

Pharmaceuticals 25% (2)