TY - GEN AU - Xu,Xin-Yi AU - Zhang,Yin-Lian AU - Geng,Fang-Hui TI - [Clinical efficacy and effects of CAD/CAM zirconia all-ceramic crown and metal-ceramic crown restoration on periodontal tissues] SN - 1006-7248 PY - 2019///0218 KW - Ceramics KW - Computer-Aided Design KW - Crowns KW - Dental Porcelain KW - Dental Prosthesis Design KW - Humans KW - Treatment Outcome KW - Zirconium N1 - Publication Type: Journal Article ER -