title: Freeze-etching and dental research.
mesh_terms: D001412:Bacillus subtilis / Q000166:cytology; D003773:Dental Plaque / Q000382:microbiology*; D005613:Freeze Etching; D006801:Humans; D009615:Nocardia / Q000166:cytology; D013291:Streptococcus / Q000166:cytology