Alveolar Ridge Preservation Techniques in Dental Implantology

Alveolar ridge preservation encompasses a range of surgical approaches designed to stabilise the bony and soft-tissue contours of the jaw following tooth extraction. By limiting horizontal and vertical dimensional changes of the alveolar ridge, these techniques facilitate subsequent implant placement in an optimal restorative position. Core strategies include socket grafting with particulate biomaterials, barrier membranes for guided bone regeneration, socket seal procedures to protect the clot and graft, and the adjunctive use of biologics or growth factors to accelerate osteogenesis. Emerging methods employ customisable scaffolds, such as three-dimensional-printed resorbable meshes and drug-eluting nanofibrous mats, to provide both mechanical support and local delivery of osteoinductive agents. The choice of material—autograft, allograft, xenograft or alloplast—alongside membrane type and timing of implant placement, is guided by clinical parameters such as socket morphology, biotype of the facial bone wall and aesthetic requirements. While preservation protocols are generally safe and effective, ongoing discourse addresses cost-benefit considerations and the comparative advantage over unassisted healing in diverse clinical scenarios.

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Alveolar Ridge Preservation Techniques in Dental Implantology publication trend

The graph below shows the total number of articles in alveolar ridge preservation techniques in dental implantology across all publications each year (not limited to Nature Index journals).

Technical terms

Alveolar ridge preservation (ARP): Procedures aimed at limiting dimensional changes of the bony ridge and promoting new bone and soft-tissue healing after tooth extraction.

Guided bone regeneration (GBR): Use of barrier membranes to exclude soft tissue from the grafted socket, allowing selective repopulation by osteogenic cells.

Socket seal technique: Placement of a collagen matrix or membrane over the socket entrance to stabilise the clot and graft material without primary soft-tissue closure.

Histomorphometry: Quantitative microscopic analysis of bone tissue composition, including proportions of new bone, connective tissue and residual graft.

Osseointegration: Direct structural and functional connection between living bone and the surface of an implant or graft particle without intervening fibrous tissue.

References

1. Is alveolar ridge preservation an overtreatment?. Periodontology 2000 (2023).
2. Cone-Beam Computed Tomography and Histological Findings for Socket Preservation Techniques Using Different Grafting Materials: A Systematic Review. Journal of Functional Biomaterials (2023).
3. Hybrid Resorbable 3D-Printed Mesh/Electrospun Nanofibrous Drug/Biomolecule-Eluting Mats for Alveolar Ridge Preservation. Polymers (2023).
4. Efficacy of biologics for alveolar ridge preservation/reconstruction and implant site development: An American Academy of Periodontology best evidence systematic review. The Journal of Periodontology (2022).