Journal of Dental Hygiene Science : eISSN 2233-7679

Table 5

Betweenness Centrality of Core Keywords per Period

No.Period 1 (2001~2005)Period 2 (2006~2010)Period 3 (2011~2015)Period 4 (2016~2018)




 KeywordBetweenness centrality KeywordBetweenness centrality KeywordBetweenness centrality KeywordBetweenness centrality
1Oral029.281Dental0.205Health0.258Oral0.364
2Health0.199Health0.169Dental0.246Health0.353
3Hygiene0.186Hygiene0.112Hygiene0.174Dental0.333
4Bacterium0.143Hygienist0.054Oral0.123Hygiene0.312
5Dental0.108Oral0.053Student0.065Quality0.123
6Schizandra chinensis Baill0.104Job0.038Caries0.059Life0.086
7Growth0.056Student0.037Quality0.049Caries0.045
8Care0.000Infection0.025Model0.044Infection0.045
9Caries0.000Impact0.019Hygienist0.039Satisfaction0.045
10Competency0.000School0.019Education0.037Survey0.045
J Dent Hyg Sci 2018;18:380-8 https://doi.org/10.17135/jdhs.2018.18.6.380
© 2018 J Dent Hyg Sci