Disappearance of a dental implant in complete denture after migration to maxillary sinus, a rare case report
He Manting, Gao Wenmo, Tan Baosheng, Geng Wei
Chinese Journal of Oral Implantology . 2021, (1): 64 -66 .  DOI: 10.12337/zgkqzzxzz.2021.02.014