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Reconstruction of skull bone defects using the hydroxyapatite cement with calvarial split transplants
Joerg Wiltfang1, Peter Kessler, Michael Buchfelder
1Department of Oral and Craniomaxillofacial Surgery, Erlangen-Nuremberg University, Erlangen-Nuremberg, Germany.
Summary
This study introduces a new method for reconstructing skull bone defects using hydroxyapatite cement, alone or with grafts. Results show stable, aesthetic outcomes for traumatic or tumor-related calvarial reconstruction.
Area of Science:
- Neurosurgery
- Craniofacial Surgery
- Biomaterials
Background:
- Calvarial defects result from trauma or tumor resection.
- Primary reconstruction is crucial for functional and aesthetic recovery.
- Previous methods may have limitations in achieving optimal outcomes.
Observation:
- A study evaluated 41 patients with calvarial bone defects.
- Defects were due to traumatic bone loss (19 patients) or tumor resection (22 patients).
- Five trauma cases had prior insufficient primary reconstruction.
Findings:
- Calvarial split grafts combined with titanium miniplates were used for reconstruction.
- Hydroxyapatite cement filled irregular defect areas.
- In one case, hydroxyapatite cement alone successfully reconstructed a post-traumatic defect.
- Clinical and radiological follow-up (6-38 months) showed stable results with no side effects.
Implications:
- Hydroxyapatite cement provides stable and aesthetically pleasing outcomes for calvarial defect reconstruction.
- This biomaterial offers a versatile solution for various craniofacial reconstruction scenarios.
- The findings support the use of hydroxyapatite cement in both primary and revision surgeries for skull defects.