?url_ver=Z39.88-2004&rft_id=10.1590%2FS0366-69132011000300011&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Muhammad&rft.au=Muhammad%2C+N.&rft.aufirst=N.&rft.atitle=Some+studies+on+the+wear+resistance+of+artificial+teeth+in+presence+of+amorphous+SiO2+and+TiO2+fillers&rft.issue=343&rft.pages=324-328&rft.date=2011&rft.volume=57&rft.issn=03666913&rft.title=Ceramica&rft.genre=article