Transform your smile with dental implants.pdf - Page 17

Sinus lift
The maxillary sinus cavity is in the upper jaw at the back of the
mouth (see diagram below). In some patients the roots of the
back teeth are found to protrude into it. If teeth below the sinus
cavity are to be replaced, there may not be sufficient bone to
accommodate implants.
It is possible, however, to rebuild the bone inside the sinus
cavity to enable implants to be placed. There are several
different ways that this can be carried out. Typically synthetic
bone, or your own harvested bone, is added to the remaining
jaw bone. To allow room for this extra bone, your sinus
membrane is gently lifted up and out of the way.
Sinus lifts provide the extra bone depth required to support
dental implants. If you have lost a great deal of bone, this will
need to be carried out first. When it has fully healed, 6 to 12
months later, implants can be placed.
Sometimes it is practicable to do a sinus bone graft, a sinus lift
and place an implant all in the same operation.
sometimes the
roots of the
teeth protrude
into the sinus


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