title: Teeth with transparent roots--an improved teaching aid for preclinical endodontics.
authors.forename: G
authors.initials: G
authors.lastname: Hasselgren
authors.forename: P
authors.initials: P
authors.lastname: Nellestam
authors.forename: R M
authors.initials: RM
authors.lastname: Bynum-Hasselgren
mesh_terms: D004708:Endodontics / Q000193:education*; D006801:Humans; D013664:Teaching Materials; D014070:Tooth