Your dentist has told you that you need a block bone graft before implants can be placed. This sounds more involved than a regular graft — and it is. Here is what the procedure involves and what you can expect.
When Is a Block Graft Needed?
A block bone graft is used when there is significant bone loss in the jaw. This might be from long-term tooth loss, gum disease, infection, or trauma. The bone loss is too severe for a particulate graft alone, which is the standard graft material that looks like granules.
A block graft uses a small piece of bone taken from somewhere else — usually the chin or the back of your lower jaw. This block is fixed into the deficient area with small screws. It provides structure and volume where it is needed most.
Where Does the Bone Come From?
In most cases, the bone is harvested from your own jaw. This is called an autogenous block graft. Using your own bone carries the best success rate because it is biocompatible and encourages new bone growth.
If your dentist cannot take enough bone from your jaw, a donor source or synthetic material might be used instead. Your dentist will explain the approach that is right for your situation before the procedure.
The Procedure Step by Step
First, you receive a local anaesthetic — or sedation if you prefer. The dentist makes an incision in the gum to expose the bone defect. A small block of bone is shaped to fit the area precisely. It is then secured with tiny screws. Particulate bone graft is often placed around the edges for extra support. A collagen membrane may be used to protect the site. The gum is then stitched back into place.
The procedure takes roughly one to two hours depending on the size of the graft.
Recovery and Healing
Healing is slower than with a regular graft. The block needs to integrate with your existing bone — this takes about four to six months, sometimes longer. During this time, your body gradually replaces the block graft with its own natural bone.
You might experience swelling, bruising, and some numbness in the donor site area. Most patients find this manageable with over-the-counter pain relief and follow their aftercare instructions closely. Avoid chewing on that side of your mouth until your dentist confirms healing is on track.
What Happens Next
Once healing is complete, your dentist takes a CT scan to check the bone volume. If the graft has integrated well, implant placement can go ahead. In some cases, a second minor procedure is needed to expose the graft site and confirm readiness.
The wait can feel long, but block grafts give excellent results for patients with major bone loss. They make implants possible where they otherwise would not be.
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Call 01323 723757 or book at www.meadsdental.com
Meads Village Dental Practice