Immediate provisional restoration of a single-tooth implant in the esthetic zone: A case report oleh Po-Sung Fu, Yi-Min Wu, Ching-Fang Tsai, Ta-Ko Huang, Wen-Cheng Chen, Chun-Cheng Hung, 傅柏松, 吳逸民, 蔡菁芳, 黃大可, 陳文正, 洪純正