How Long After a Bone Graft Can You Get an Implant?

A bone graft is often a necessary preparatory step before dental implant placement when the jawbone lacks sufficient volume to support an implant. The typical waiting period between bone grafting and implant surgery is three to six months, allowing the graft material to integrate with your natural bone and form a solid foundation. A 2021 systematic review published in the International Journal of Oral and Maxillofacial Implants found that implants placed in grafted bone achieved survival rates of 93 to 97 per cent at five years, comparable to implants placed in native bone (Al-Nawas &。3, IJOMI, 2021). At Townsville Dental Clinic, we verify graft maturity with CT imaging before proceeding to ensure the best possible implant outcome.

Why Bone Grafting Is Needed Before Implants

Dental implants require a minimum amount of bone height and width to achieve stable osseointegration. The general guideline is at least 10 mm of bone height and 6 mm of width at the implant site. When these minimums are not met, bone grafting rebuilds the deficient area.

Common reasons for bone loss include:

• Long-term tooth loss. The jawbone resorbs naturally after a tooth is extracted, losing up to 50 per cent of its width within the first year.
• Periodontal (gum) disease. Chronic infection destroys the bone supporting the teeth.
• Trauma. Facial injuries can fracture or resorb sections of the jawbone.
• Denture wear. Long-term denture use without implant support accelerates bone resorption.

For more detail on implant treatment when bone is deficient, see our guide on dental implants with bone loss.

Types of Bone Grafts and Their Healing Times

Socket Preservation Graft

What it is: Bone graft material is packed into the tooth socket immediately after extraction to prevent the socket walls from collapsing.

Healing time: 3 to 4 months.

When used: Routinely performed when an implant is planned for the extraction site but immediate placement is not appropriate. This is the simplest and most common type of graft.

Guided Bone Regeneration (GBR)

What it is: Bone graft material is placed at the deficient site and covered with a collagen membrane that acts as a barrier, preventing fast-growing soft tissue from invading the graft space and allowing bone cells to regenerate.

Healing time: 4 to 6 months.

When used: When the implant site lacks adequate width (horizontal bone loss) or has a localised defect such as a dehiscence or fenestration.

Sinus Lift (Sinus Floor Elevation)

What it is: The sinus membrane in the upper jaw is gently lifted and bone graft material is placed beneath it to increase bone height in the posterior maxilla.

Healing time: 4 to 6 months for a lateral (window) approach; 3 to 4 months for a crestal (osteotome) approach.

When used: When upper back teeth need implants but the sinus floor sits too low, leaving insufficient bone height.

Block Bone Graft

What it is: A solid block of bone — usually harvested from the chin or the back of the lower jaw — is secured to the deficient site with small screws.

Healing time: 4 to 9 months.

When used: When large-volume bone regeneration is needed, such as severe horizontal or vertical bone loss that cannot be addressed with particulate graft alone.

Simultaneous Bone Graft and Implant Placement

In many cases, a bone graft and implant can be placed during the same surgical procedure, eliminating the need for a separate grafting surgery and reducing overall treatment time by three to six months.

Simultaneous placement is feasible when:

• The implant achieves adequate primary stability (insertion torque of 25 Ncm or higher) despite the bone deficiency
• The bone defect is localised — for example, a gap between the implant and socket wall of less than 2 mm
• The patient has good healing capacity — non-smoker, no uncontrolled diabetes

A 2019 systematic review in the Journal of Clinical Periodontology found no statistically significant difference in implant survival between simultaneous and staged grafting approaches when selection criteria were properly applied (Staler et al., JCP, 2019).

When simultaneous placement is not appropriate — typically due to extensive bone loss, poor primary stability, or large-volume graft requirements — a staged approach is the safer option.

What to Expect During the Healing Period

The First Two Weeks

Swelling peaks at 48 to 72 hours and gradually resolves over the following week. Pain is managed with ibuprofen and paracetamol. You will eat soft foods and avoid the surgical site when chewing. Sutures are removed at seven to ten days.

Months 1 to 3

The graft material is gradually infiltrated by new blood vessels and bone-forming cells (osteoblasts). You will have no outward symptoms during this phase — healing occurs silently within the bone. Avoid placing pressure on the graft site (no dentures pressing on it, no hard foods).

Months 3 to 6

New bone matures and increases in density. A follow-up cone-beam CT scan is taken at three to four months for smaller grafts and five to six months for larger grafts. Your dentist compares the scan to the pre-operative images to assess whether bone volume and density are adequate for implant placement.

Assessment Before Implant Placement

At Townsville Dental Clinic, we use two methods to confirm graft readiness:

1. CBCT scan. Measures bone height, width, and density in three dimensions.
2. Clinical assessment. During a minor surgical exposure, the graft site is probed to confirm firmness and adequate volume.

Only when both assessments confirm sufficient bone do we proceed with implant placement.

Related Services

• Dental Implants with Bone Loss
• Dental Implants
• Dental Implant Procedure: Step-by-Step Guide

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