Treatment Concepts Posterior region – Timing Concepts / EAO Consensus Conference

Media Type:
Let's Talk
Duration:
18mins
Credits:
G. Finelle & S. Vandeweghe

1. Key Anatomical & Functional Challenges Bone volume & location of sinus or inferior alveolar nerve dictate which timing/loading protocol you can choose (Prof. Vandeweghe).

Forces in the posterior are high but not dramatically different from those in the anterior—what really matters is achieving and maintaining primary stability and controlling micromotion under load.

2. Patient Demand & Clinical Drivers In the esthetic zone, immediate loading fulfills a clear cosmetic (“Champions League”) need.

In the posterior, patients rarely demand same‑day teeth—so the main incentives are fewer surgeries, shorter treatment time, and better preservation of bone and soft tissue.

3. Timing Protocols Immediate placement + delayed loading: safest, well documented for molar sites.

Delayed placement + immediate loading: predictable in healed ridges if you secure ≥ 30 N·cm insertion torque (20 N·cm if splinted).

Immediate placement + immediate loading: electrically appealing—one surgery, provisional on the same day—but under‑studied in molar sites and should be reserved for carefully selected cases with excellent septal bone and clinician experience.

4. Socket‑Seal Abutment (Dr. Finelle) Prefabricated or digitally milled custom healing abutment + composite “spider‑web” seal → rigid closure of extraction socket without flaps or membranes.

Benefits: stabilizes blood clot, preserves buccal contour, reduces need for GBR/CTG, cuts overall treatment to 3–4 months.

Drawbacks: failures (1–2 %) occur when primary stability is insufficient; clinician must be ready to revert to conventional delayed protocol.

5. Workflow & Provisional Strategy Always use a provisional restoration when loading immediately, not the definitive crown—allows easy adjustment of occlusion, emergence profile, and troubleshooting.

Chairside fabrication (composite on stock abutment) is often as effective as fully digital custom‑milled solutions and far more accessible to general practitioners.

6. Research Gaps & Next Steps Immediate placement + immediate loading in molar sites needs long‑term RCTs, clear case‑selection guidelines, and consensus on implant design, provisional occlusion, and follow‑up protocols before becoming mainstream.

Clinicians are encouraged to collect & publish outcome data on socket‑seal techniques, provisional loading regimens, and failure modes to build the evidence base.