Magnesium in dentistry

Redefining bone regeneration

Following tooth extraction, the natural bone support in the buccal and palatal region undergoes significant remodelling leading to accelerated bone resorption¹. This can result in ridge collapse, soft tissue recession, and compromised implant placement, increasing the risk of long-term functional and aesthetic complications².

Extract, shield, regenerate

The Shield Technique with the fully resorbable magnesium SHIELD not only simplifies the treatment of tooth extraction defects but also preserves bone volume, creating a stable foundation for long-term prosthetic success³.

Gold standard

Step-by-step

  • Gold standard step 1
  • Gold standard step 2
  • Gold standard step 3
  • Gold standard step 4
  • Gold standard step 5

Tooth extraction leads to natural bone resorption over time, compromising stability for future restorations⁴. When replacing missing teeth with a dental bridge or implant, proper support is essential for long-term function and aesthetics. Without adequate bone preservation after tooth extraction, natural bone loss can impact the fit and durability of the restoration⁵.

NOVAMag® SHIELD – the ultimate solution for bone defect and bridge aesthetics

NOVAMag® SHIELD

The Shield Technique aims to prevent post-extraction resorption of the buccal/palatal alveolar bone. The application of SHIELD ensures the preservation of bone volume, creating a stable foundation for long-term prosthetic success⁶. Unlike the traditional approaches, where regenerated bone may resorb over time, SHIELD promotes the formation of a strong and healthy bone for implant or bridge placement³.

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The Shield Technique

The ultimate solution for bone defect and bridge aesthetics – clinical snapshots.

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Casebook with step-by-step procedures using NOVAMag® SHIELD

SHIELD

By combining magnesium’s unique properties with strong mechanical stability, SHIELD provides a minimally invasive solution that enhances treatment outcomes and improves patient comfort.

Volume stable, completely resorbable, reduced invasiveness

Dr. Giorgio Tabanella

“The SHIELD Technique is the easiest way to rebuild the buccal plate at the time of extraction.”

Dr. Giorgio Tabanella, Periodontist, Italy

Key features of SHIELD

  • Biodegradability: No need for a second surgical procedure to remove the membrane.
  • Biocompatibility: Naturally integrates with the body.
  • Bone regeneration support: Maintains space for bone growth and enhances optimal bone healing and regeneration.
  • Barrier function: Prevents soft tissue infiltration into the healing site.
  • Easy handling: The membrane is strong and ductile, allowing for easy adaptation to complex defects.

Clinical applications

The Shield Technique is an ideal solution for various clinical situations that require bone regeneration and tissue healing.

  • Thin or compromised bone walls
  • Missing bone after extraction
  • Socket management & bridge aesthetics
  • Immediate or delayed implant placement
  • Ridge reconstruction

Check out what the science says about the application of SHIELD: Magnesium Membrane Shield Technique for Alveolar Ridge Preservation

Handling video

In these videos, the easy handling of the SHIELD is shown with a step-by-step demonstration on a model jaw.

Shield technique with SHIELD

Shield technique with SHIELD in combination with a collagen matrix

Dr. Erick Mota

“It doesn’t collapse, it maintains the shape of the alveolus and with a favourable outcome.”

Dr. Erick Mota, Implantologist, Dominican Republic

FAQ

What are the key indications for using the SHIELD technique?

The SHIELD technique is ideal for:

  • Cases with thin or compromised bone walls
  • Socket preservation after tooth extraction
  • Immediate or delayed implant placement
  • Ridge augmentation for implant site preparation
  • Preserving natural bone contours in the anterior aesthetic zone

Can the Shield Technique be used in immediate implant placement?

Yes, the Shield Technique is effective for immediate implant placement. By stabilizing the surrounding bone and preventing resorption, it ensures a more predictable healing process and long-term implant success.

Why is SHIELD used in the Shield Technique?

SHIELD is specifically designed for the Shield Technique because of its:

  • Biocompatibility – Magnesium naturally integrates with bone.
  • Mechanical strength – Provides stability during initial healing.
  • Resorbability – Eliminates the need for a second surgery.
  • Bone regeneration support – Enhances bone healing by preventing soft tissue infiltration.

Can SHIELD be combined with bone graft materials?

Yes, SHIELD is compatible with various bone grafts, including autografts, allografts, and xenografts. It helps stabilize the graft material while preventing soft tissue ingrowth.

What are the advantages of using magnesium over other membrane materials?

Magnesium exhibits unique properties, such as:

  • Biodegradable metal without immune reactions
  • Mechanical strength for stability
  • No removal necessary resulting in fewer surgical interventions
  • Synthetic alternative

References

  1. Hämmerle, Christoph H.F.; Araújo, Mauricio G.; Simion, Massimo (February 2012). “Evidence-based knowledge on the biology and treatment of extraction sockets”. Clinical Oral Implants Research. 23: 80–82. doi:10.1111/j.1600-0501.2011.02370.x
  2. Thoma DS, Gil A, Hämmerle CHF, Jung RE. Management and prevention of soft tissue complications in implant dentistry. Periodontol 2000. 2022;88(1):116–129. doi:10.1111/prd.12415
  3. Elad A, Rider P, Rogge S, et al. Application of Biodegradable Magnesium Membrane Shield Technique for Immediate Dentoalveolar Bone Regeneration. Biomedicines. 2023;11(3):744. Published 2023 Mar 1. doi:10.3390/biomedicines11030744
  4. Fickl S, Zuhr O, Wachtel H, Stappert CF, Stein JM, Hürzeler MB (October 2008). “Dimensional changes of the alveolar ridge contour after different socket preservation techniques”. J. Clin. Periodontol. 35 (10): 906–913. doi:10.1111/j.1600-051X.2008.01305.x. PMID 18713258
  5. Peterson’s principles of oral and maxillofacial surgery. Miloro, Michael., Peterson, Larry J., 1942- (3rd ed.). Shelton, CT: People’s Medical Pub. House-USA. 2012. ISBN 9781607952305. OCLC 813539200
  6. Blašković M, Butorac Prpić I, Aslan S, et al. Magnesium Membrane Shield Technique for Alveolar Ridge Preservation: Step-by-Step Representative Case Report of Buccal Bone Wall Dehiscence with Clinical and Histological Evaluations. Biomedicines. 2024;12(11):2537. Published 2024 Nov 6. doi:10.3390/biomedicines12112537
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