title: [Diagnosis and treatment of a maxillary premolar with vertical root fracture: a case report].
authors: Department of Operative Dentistry & Endodontics, School of Stomatology, The Fourth Military Medical University & State Key Laboratory of Military Stomatology & National Clinial Research Center for Oral Diseases & Shanxi Key Laboratory of Oral Diseases, Xi'an 710032, China.
authors: N
authors: N
authors: Xu
authors: Department of Operative Dentistry & Endodontics, School of Stomatology, The Fourth Military Medical University & State Key Laboratory of Military Stomatology & National Clinial Research Center for Oral Diseases & Shanxi Key Laboratory of Oral Diseases, Xi'an 710032, China.
authors: X
authors: X
authors: Zhang
authors: Department of Operative Dentistry & Endodontics, School of Stomatology, The Fourth Military Medical University & State Key Laboratory of Military Stomatology & National Clinial Research Center for Oral Diseases & Shanxi Key Laboratory of Oral Diseases, Xi'an 710032, China.
authors: H G
authors: HG
authors: Wang