Some patients do not have enough and good bone structure to handle implants. Upper maxilla bone reduction is severed by the increase of the maxillary sinus volume.
In these cases, in order to be able to perform implants, it is necessary to raise the maxillary sinus. It is a simple surgery technic that consists in placing a bone matrix under the sinus mucosa, to promote bone formation.
It is a routine procedure with a high level of predictability and clinical success.