Are you considering replacing a missing tooth, but your dentist has recommended a bone graft before a dental implant? This step may come as a surprise. Its purpose is to prepare adequate support for the future tooth rather than placing the implant in an area with insufficient bone volume.

A bone graft is not always necessary. It may be recommended when the height, width, or quality of the bone does not allow the planned implant to be placed under suitable conditions. A dental examination and imaging help determine whether it is needed.

At Dentisterie Montréal, also known as Dentisterie Manoukian, we want you to understand this step so you can better discuss your treatment plan.

Why does a dental implant need enough bone?

An dental implant replaces the root of a tooth. It is placed in the jawbone, then supports a crown or another restoration. The gum tissue alone cannot provide this anchorage.

Think of a post being set into a base: there needs to be enough material around it to support it. For an implant, the dentist also considers its position, chewing forces, and the future tooth it will support.

After placement, the bone gradually bonds to the implant surface. This process, called osseointegration, takes time. A bone graft is intended to create favourable conditions; on its own, it does not guarantee the success of treatment.

Why might there not be enough bone in the jaw?

A tooth has been missing for some time. After an extraction or tooth loss, the bone that surrounded the tooth remodels and may decrease in volume. This bone resorption does not necessarily cause pain. Gum tissue that appears well healed does not necessarily mean there is enough bone for an implant.

The supporting tissues have been damaged. Periodontitis, which affects the tissues that support the teeth, or trauma can cause bone loss. The condition of the gums must also be considered before treatment.

Anatomy leaves limited space. In the upper premolar and molar areas, the sinus can limit the available bone height. Some people also naturally have a narrow bony ridge.

How is a bone graft planned before an implant?

The dentist examines the teeth, gums, and the area to be restored. They also ask about your health, the medications you take, and your tobacco use. Bring an up-to-date list of your medications; do not change any treatment on your own.

X-rays, and 3D imaging when indicated, help assess bone volume and nearby structures, such as the sinuses and nerves. Planning takes the future crown into account, not just where bone remains.

You can ask: “Where is bone missing? Why this technique? What will the timeline be?” An explanation based on your own images is more useful than comparing your treatment with someone else’s.

bone graft before a dental implant — dental X-ray examination in clinic

What situations may require a graft?

Preserving bone at the time of an extraction

Bone-grafting material can be placed in the socket left by the tooth to help limit loss of volume. This socket preservation helps prepare for future treatment, without guaranteeing that no additional bone grafting will be needed.

Rebuilding an area that is too thin or too low

When bone volume is insufficient, bone augmentation may be considered. A small graft can sometimes be done at the same time as implant placement. A larger reconstruction often requires a separate procedure followed by a healing period.

Adding height beneath the sinus

A sinus lift may be recommended in certain areas of the upper jaw. The dentist gently lifts the sinus membrane and adds grafting material in the space created. This procedure is not required for every implant in the upper jaw.

To learn more about the techniques, visit our page on dental bone grafting.

How is the procedure performed?

The procedure varies depending on the extent of the graft. For a localized procedure, the area is generally numbed with local anaesthesia. Options for managing anxiety are discussed before the appointment.

The dentist accesses the site, prepares the area, and places the grafting material. A membrane may be used to protect the area of regeneration by limiting the growth of soft tissue into it. The gum is then closed with stitches. You will receive personalized instructions for care and follow-up.

Where does the grafting material come from? Depending on the situation, it may come from your own bone, a human donor, an animal source, or a synthetic material. It serves, among other things, as a scaffold for new bone formation. Discuss your preferences with your dentist before consenting to treatment.

How long does healing take?

It is important to distinguish between feeling comfortable again and bone maturation. Feeling better does not mean the graft is ready for an implant.

During the first few days: discomfort, swelling, and sometimes bruising may occur. Swelling may be more noticeable around the second or third day and then gradually decrease. Your dentist will explain how to manage pain based on your situation.

Over the following weeks: the soft tissues continue to heal. Follow-up visits are used to check the wound and stitches. Returning to work and regular activities depends on the procedure and your recovery.

Over several months: the bone rebuilds and matures. A waiting period of about 4 to 6 months before implant placement is common in some situations, although a larger graft may require more time. Your dentist will confirm the appropriate timing after reassessment. The implant may then need its own osseointegration period before the final crown is placed.

What care supports recovery?

Your dental team’s instructions take priority over general advice. During healing, keep these three principles in mind:

Protect the site. Choose the recommended soft foods, avoid chewing on the graft, and do not touch or disturb the wound. Have any removable denture checked if it could place pressure on the area.

Follow the care instructions. Follow directions for brushing, rinsing, medications, and returning to activities. Avoid vigorous rinsing; use mouthwash only as instructed.

Avoid smoking and vaping. Ask for support if needed and attend your follow-up appointments, even if you are no longer in pain.

When should you contact the clinic?

Call promptly if pain or swelling gets worse instead of better, or if you develop a fever, pus, or persistent bleeding. A wound that opens or unusual numbness should also be reported.

A bone graft can become infected or may not produce enough bone. Depending on the site, complications involving the nerves or sinus are also possible. The risks specific to your situation should be explained before the procedure.

Frequently Asked Questions About Bone Grafting Before a Dental Implant

Can a dental implant be placed without a bone graft?

Yes, when the amount and quality of bone allow the planned implant placement. Losing a tooth does not automatically mean a bone graft is required. The decision is based on an individual assessment.

Can the bone graft and implant be done on the same day?

Sometimes, when only a small amount of additional bone is needed and the existing bone can stabilize the implant. If a larger reconstruction is required, the dentist may recommend letting the graft heal first.

Is it painful?

Local anaesthesia is used to control pain during the procedure. Afterwards, discomfort varies depending on the graft and the individual. Follow the recommendations you receive and report any severe or worsening pain.

What should I ask about the cost and other options?

Ask for a written treatment plan that clearly separates the bone graft, implant, and crown, and confirm your coverage with your insurer. Also discuss other appropriate options, such as a bridge or removable denture, and their limitations in your situation.

An Evaluation for Your Dental Implant in Montreal

Are you wondering whether you may need a bone graft before a dental implant? Book an appointment with Dentisterie Montréal to have your situation evaluated and discuss the next steps.

Our clinic is located at 5300 Chemin de la Côte-des-Neiges, Suite 300, Montreal. Whether you live in Montreal, the North Shore, or the South Shore, contact us at 514 969-3368. Coming from Calgary, Vancouver, or another region? Discuss follow-up appointments before planning your trip.

The goal: a treatment plan tailored to your mouth, your health, and your needs.

This article provides general information. It does not replace a dental examination or personalized instructions from your treating professional. To learn more about oral health care in Canada, you can also consult resources from the Canadian Dental Association.