title: The fine structure of the coronal root region of premolar teeth in dogs.
mesh_terms: D000818:Animals; D001641:Bicuspid / Q000648:ultrastructure*; D003094:Collagen; D003804:Dentin / Q000648:ultrastructure; D004285:Dogs / Q000033:anatomy & histology*; D010513:Periodontal Ligament / Q000648:ultrastructure; D014092:Tooth Root / Q000648:ultrastructure*
chemical_list: D003094:Collagen