Guided Bone Regeneration in the Posterior Mandible Using a Resorbable Metal Magnesium Membrane and Fixation Screws: A Case Report
- Authors
- Thomas Franke, Tadas Korzinskas
- Journal
- Case Reports in Dentistry
- Year
- 2024
- DOI
- 10.1155/crid/2659893
- Study Type
- Human
- Outcome
- Positive
- Peer Reviewed
- Yes
- Country
- Germany
- Health Condition
- Bone loss in posterior mandible
- Body System
- skeletal system
TL;DR
A new type of dissolvable magnesium membrane and screw successfully helped grow bone in the lower jaw, allowing for dental implants without the need for a second surgery to remove the support structure.
Key Finding
A resorbable magnesium metal membrane system successfully regenerated bone in the lower jaw within 3 months, achieving bone density sufficient for dental implant placement, while producing tingling sensations potentially linked to hydrogen gas release during the material's degradation.
Summary
This case report describes a 61-year-old patient who needed bone rebuilding in the lower jaw before dental implants could be placed. Doctors used a new magnesium-based membrane and screws (which dissolve over time) along with bone grafts to regenerate bone in a large defect. After 3 months, the bone had regrown densely enough to support two dental implants. The patient experienced tingling sensations during healing, which the doctors believe may be caused by hydrogen gas released as the magnesium material breaks down in the body.
Practical Takeaway
This is a single case report (not a controlled study) showing that magnesium-based bone regeneration materials may work as well as traditional titanium systems while avoiding the need for removal surgery. However, the tingling sensation observed suggests hydrogen gas release during degradation—the clinical significance of this is unclear and would require larger studies to understand. Anyone considering such procedures should discuss both benefits and unknowns with their dental surgeon.
Abstract (excerpt)
Background: Due to bone loss, implant placement in the posterior mandible is often impossible without prior augentative procedures. The reconstruction of bone defects with horizontal and vertical components using particulated bone grafts requires the placement of a mechanically stable structure…