Toothbrush

https://www.wikidata.org/wiki/Q134205

Field Hierarchy

Parent
Engineering 25M papers	Materials science 18.5M papers	Composite material 8.7M papers	Mechanical engineering 5.5M papers
Electrical engineering 4.8M papers	Brush 24.1k papers	Head (vessel) 4 papers
Current
Toothbrush 7,742 papers
Child
Tooth brushing 4,072 papers

Trends

Notes

History