Odontology / the Society of the Nippon Dental University
2.0(top 20%)
2-year impact
2.1(top 20%)
3-year impact
2.4(top 20%)
5-year impact
2.3(top 20%)
10-year impact
2.1(top 50%)
extended IF
1.9(top 20%)
2-YI (article-only)
3.6(top 100%)
2-YI (review-only)
1.0(top 50%)
2-YI (comm only)
This chart shows the 2-year impact factor of Odontology / the Society of the Nippon Dental University excluding self-citations over time and its percentile among journals. Self-citations — citations from articles in the same journal — are removed from the numerator.
How is the 2-year impact (no self-citations) calculated?
The 2-year impact (no self-citations) for year X equals the citations received in year X to items published in years X-1 and X-2, divided by the number of citable items published in those two years. Self-citations — citations originating from articles published in the same journal — are excluded from the numerator.
