Journal of Oral Science Research
Research Progress on Mechanical Principle of Retention and Cause of Loosening of Screws in Implant-supported Single Crown.
ZHOU Qiang-qiang, LIAO Hong-bing.
Journal of Oral Science Research . 2019, (2): 122 -124 .  DOI: 10.13701/j.cnki.kqyxyj.2019.02.005