Polyethylene microbeads?  [electronic resource] 

 -  Hawaii Dental Association journal  2014 
 - 19 p.  digital 
<br/><br/> Publication Type: News 
<br/><br/><label>Subjects--Topical Terms: </label><br/>American Dental Association<br/>Consumer Product Safety<br/>Humans<br/>Microspheres<br/>Polyethylene--chemistry<br/>Toothpastes--chemistry<br/>United States