• A BIODEGRADABLE TOOTHBRUSH DESIGN 

      Rivas Gómez, Nelly Mercedes; U. Santo Tomás; Reyes Álvarez, Ciro Alfonso; U.I.S.; Camargo L., Diana M.; U. Santo Tomás
      Purpose: The purpose of this investigation was to develop a disposable toothbrush. Material and Methods: Thirty toothbrushes were designed and manufactured with a wooden handle and natural sisal bristles soaked in toothpaste. ...