Bone Graft

What Happens If I Do Not Have a Bone Graft After a Tooth Extraction?

After a tooth is removed, the jawbone no longer receives stimulation from the tooth root. As a result, the bone begins to shrink naturally, especially during the first several months after extraction. Without a bone graft, you may experience:

Continued bone loss: The jawbone gradually loses both width and height, creating a bone deficiency that can make future implant placement more challenging or impossible.

More complex treatment later: If significant bone is lost, rebuilding the jaw may require a larger and more complex bone grafting procedure. These procedures often involve longer healing times and may be less predictable than preserving the bone immediately after extraction.

Changes in facial appearance: Loss of jawbone support can cause the gums and lips to collapse inward, especially in the front of the mouth. Over time, this may alter your facial profile, create a sunken appearance and contribute to premature aging.

Reduced implant options: As the jawbone shrinks, there may not be enough bone to support a standard-sized dental implant. While smaller implants can be appropriate in certain situations, they are not ideal for every area of the mouth, particularly where chewing forces are greater. Preserving the bone after extraction helps maintain more treatment options and allows placement of an implant that is best suited for long-term strength and function.

How Does Bone Graft Help With Implants?

A bone graft helps create a strong, healthy foundation for a dental implant by rebuilding areas where bone has been lost.

Acts as a scaffold: The graft material serves as a framework for your body’s natural healing process. It guides your own bone-forming cells into the area, allowing new bone to grow and gradually replace the bone graft over the next several months.

Restores bone volume: A bone graft increases the width and/or height of the jawbone, creating enough bone to securely support a properly sized dental implant. This helps improve implant stability, function and long-term success.

Enhances long-term outcomes : Adequate bone volume helps achieve proper implant positioning, supports healthy gum tissue, and contributes to a more natural-looking and longer-lasting restoration.

Types of Bone Grafting Procedures

Bone grafting is not a one-size-fits-all procedure. Depending on the amount and location of bone loss, your dentist may recommend one of several different grafting techniques to rebuild the jaw and prepare it for a dental implant. Common bone grafting procedures include:

Socket Preservation:
Performing a bone graft at the time of a tooth extraction is called socket preservation which helps to maintain the natural shape and volume of the jawbone. Preserving the bone immediately after extraction can simplify future implant treatment and improve long-term success.

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Ridge Augmentation
Used to rebuild a jawbone that has become too narrow or too short because of bone

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Guided Bone Regeneration (GBR)
Uses bone graft material together with a protective membrane to encourage new bone growth while preventing soft tissue from growing into the grafted area.

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Sinus Lift (Sinus Augmentation)
Adds bone beneath the maxillary sinus to create sufficient bone height for implants in the upper back jaw.

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Block Bone Graft
A small block of bone, usually taken from the patient’s own jaw or a donor source, is secured to the deficient area to rebuild significant bone loss before implant placement.

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Where Does the Bone Graft Material Come From?

The bone material can come from:

Autograft (from your own body)
Bone is taken from another area of your own mouth or body. Because it comes from your own tissue, it contains living cells and has excellent healing potential.

Allograft (Donor human bone)
Processed donor bone obtained from accredited tissue banks. It serves as a natural scaffold that allows your own bone to regenerate over time.

Xenograft (Animal bone)
Highly purified mineral bone derived from bovine (cow) sources. It has been safely used in dentistry for many years and provides excellent long-term support while your own bone grows into the area.

Alloplast (Synthetic Bone)
Laboratory-produced materials made from biocompatible minerals that closely resemble natural bone. These materials gradually integrate with your own bone during healing.

How Is a Bone Graft Performed?

After the area is comfortably numbed, the bone graft material is carefully placed where additional bone is needed. In many cases, a protective collagen membrane is positioned over the graft to stabilize it and guide proper healing. The gum tissue is then closed with sutures. Depending on the situation, the graft may be performed at the time of a tooth extraction, several months before implant placement or simultaneously with implant placement when sufficient stability can be achieved.

What Is a Membrane and Why Is It Used?

A membrane is a thin protective barrier that is placed over the bone graft during surgery. Think of it as a protective covering that holds the bone graft in place while your body heals. One of its most important jobs is to prevent the gum tissue from growing into the bone graft site. Gum tissue heals much faster than bone. Without a membrane, the soft tissue can invade the grafted area before new bone has a chance to form. This can reduce the amount of bone that develops and may compromise the final result.

The membrane also helps stabilize the bone graft, preventing the bone graft particles from falling out. By protecting the graft and maintaining the space needed for new bone growth, a membrane helps produce more bone volume, improves the predictability of the procedure, and increases the likelihood of successful dental implant placement.

There different types of membranes:

Resorbable Membrane:

The most commonly used type is made from collagen and is gradually absorbed by the body over several months. Because it dissolves naturally, a second procedure to remove it is usually not necessary.

Non-Resorbable Membrane

In certain situations, your dentist may recommend a stronger, non-resorbable membrane. This membrane remains in place during the initial healing phase and is typically removed after 4 to 8 weeks. Removal is usually quick, comfortable and often does not require local anesthesia.

Healing After a Bone Graft

Healing time varies depending on the size of the graft and the individual’s health. Although the gum tissue will heal within two weeks, the underlying bone will typically take around 3 to 4 months to mature and become dense bone. Typical healing periods are:

What Should I Expect During the Procedure?

What Should I Expect After the Procedure?

Learn More
For additional information about bone grafting and dental implants, visit the American Association of Oral and Maxillofacial Surgeons (AAOMS) patient education page:

Bone Grafting – AAOMS Patient Information