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Dentistry

What are a sinus lift and bone graft? Why they may be needed before implants

September 30, 2026 · 4 min read

What are a sinus lift and bone graft? Why they may be needed before implants

An implant needs enough bone volume to stay firm. After tooth loss, bone gradually shrinks; in the upper jaw, the sinus cavity can also extend downwards.

Bone graft

Bone is added to areas with insufficient volume. The graft material can be the patient's own bone, or of animal or synthetic origin; the dentist chooses what suits.

Sinus lift

If bone height is low in the back of the upper jaw, the sinus membrane is gently raised and bone graft is placed beneath it, creating room for the implant.

Process and healing

  • A panoramic X-ray and CT scan are needed for planning.
  • It is done under local anaesthesia; in some cases the implant can be placed in the same session.
  • Swelling, slight bleeding and nasal congestion can occur; avoid blowing your nose.
  • The graft can take months to settle.

Whether any of this is needed is decided by the dentist after imaging.

This article is general information; diagnosis and treatment decisions are always made after a physician's examination.

This article is general information, not a diagnosis or treatment recommendation. Consult a physician for a personal assessment.

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