Implant-supported prosthesis has become a common and reliable treatment for fully or partially edentulous patients (Howe et al., 2019).However, rehabilitation of the posterior maxilla is challenging under most circumstances due to not only insufficient residual bone height (RBH), but also poor bone quality (Al-Dajani, 2016). To tackle this problem, several treatment options have been proposed, among which sinus floor elevation (SFE) is the most commonly used approach at present (Al-Moraissi et al., 2018;Antonoglou et al., 2018).The lateral and transcrestal SFE are two different techniques to elevate the sinus floor (Boyne & James, 1980;Tatum Jr., 1986). The