title: [Ultrastructural study of calcified coronal deposits on molars in gnotobiotic rats].
mesh_terms: D000818:Animals; D003593:Cytoplasm / Q000648:ultrastructure; D003594:Cytoplasmic Granules / Q000648:ultrastructure; D003728:Dental Calculus / Q000473:pathology*; D005856:Germ-Free Life; D008854:Microscopy, Electron; D008963:Molar; D051381:Rats
vernacular_title: Etude ultrastructurale de dépôts calcifiés coronaires au niveau de molaires de rats gnotobiotes