Bone Grafting

Bone grafting rebuilds jawbone that’s been lost, most often to give an implant enough stable bone to anchor into — it’s a preparatory step rather than a treatment on its own.

Why bone is lost in the first place

Jawbone is maintained, in part, by the stimulation it gets from a tooth root and from normal chewing forces transmitted through it. Once a tooth is extracted or lost, that stimulation disappears, and the bone in that specific area begins to shrink — both in width and height — a process that starts relatively soon after tooth loss and continues over months and years if the space is left empty. Gum disease is another common cause, since the infection that damages the gums also damages the bone supporting the teeth. The longer a site goes untreated, the more bone volume is typically lost.

Why implants specifically need it

A dental implant works by osseointegration — the implant post fusing directly to surrounding bone, which is what gives it its stability and strength. That requires a minimum amount of bone, in both width and height, at the planned implant site. When imaging shows the available bone falls short of what’s needed, a graft adds material to that area, which over months integrates with the existing bone and creates a stable foundation the implant can be placed into.

Types of graft material

Autograft uses bone harvested from elsewhere in your own body, often another site in the jaw — it integrates especially well since it’s your own tissue, but it does require a second surgical site. Allograft uses processed donor bone from a tissue bank, screened and prepared to be safe for use, and is commonly chosen to avoid a second surgical site. Xenograft uses bone from an animal source, typically bovine, processed to remove organic material and serve purely as a mineral scaffold. Alloplast is a synthetic, lab-made material designed to encourage bone growth. In all cases, the graft material functions as scaffolding — over time, your own bone cells grow into and gradually replace much of it.

Types of grafting procedures

A socket preservation graft is placed immediately after an extraction, filling the socket to minimize the bone loss that would otherwise follow — this is the smallest and often fastest-healing type. A ridge augmentation rebuilds width or height along the jaw where bone has already resorbed, sometimes significantly. A sinus lift is specific to the upper back jaw, where the sinus cavity can sit close to where implant roots need to go — bone is added beneath the sinus membrane to create adequate depth for an implant in that area.

What healing looks like

The surgical site itself typically feels back to normal within a week or two, similar to recovery from an extraction, with some swelling and soreness in that window. The bone integration that actually creates a stable foundation for an implant takes much longer — commonly several months — and its progress is generally confirmed with imaging before your surgeon moves ahead with implant placement. Rushing this step by placing an implant into bone that hasn’t fully integrated is a known risk factor for implant failure, which is why the waiting period, even when it feels long, is treated as a fixed part of the process rather than something to shortcut.