The long-term success for the implant depends on the quantity and quality of the bone around the implant. In some cases, where placing implants in the posterior upper areas the bone may be limited in both quality and quantity mainly due to the position and the size of the maxillary sinus. In these cases, procedures may need to be done prior to or at the same time of the implant surgery. With the use of minimally invasive bone grafting techniques, Dr. Abril can raise the sinus and create bone that will be the key for the long-term success of the upper posterior implants.