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Department of Prosthodontics, School of Stomatology, the Fourth Military Medical University, 145 West Changle Road, Xi'an 710032, Shaanxi Province, PR China
Department of Stomatology, the 323rd Hospital, Lanzhou Command, PLA, 6 West Jianshe Road, Xi'an 710054, Shaanxi Province, PR China
Department of Prosthodontics, School of Stomatology, the Fourth Military Medical University, 145 West Changle Road, Xi'an 710032, Shaanxi Province, PR China
Department of Prosthodontics, School of Stomatology, the Fourth Military Medical University, 145 West Changle Road, Xi'an 710032, Shaanxi Province, PR China
Department of Prosthodontics, School of Stomatology, the Fourth Military Medical University, 145 West Changle Road, Xi'an 710032, Shaanxi Province, PR China