July 15, 2019
by The Costa Rica Star
Four dentistry students of the University of Costa Rica came up with a solution to reduce plastic waste caused by dental saliva ejectors, which are currently discarded after just one use.
The students, Nicole Miranda, Maria Francinie Guevara, Yulieth Segura and Catalina Serra created a metallic ejector of surgical level that can be cleaned in the autoclave and used multiple times, eliminating the estimated 801,792 plastic saliva ejectors that are discarded in just one year in the country, an important source of contamination.
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