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Cranial Defect clinical trials

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NCT ID: NCT03841643 Completed - Cranial Defect Clinical Trials

Comparison of Calcium Phosphate Cement With Patient-specific Implants for Cranial Reconstruction

CRAN-PSI
Start date: June 21, 2017
Phase: Phase 3
Study type: Interventional

Background Cranial reconstruction after monocortical bonegraft harvesting remains a clinical challenge for the maxillofacial surgeon. At present, there is no gold standard technique advised. Patient-specific implants are gaining terrain in the field of craniofacial reconstruction. Comparative studies on differences in success rates between different biomaterials for application in craniofacial surgery are lacking. Aims The primary objective is to evaluate, in terms of cosmetic result, the postoperative successful outcome of patient-standardized implants for cranial reconstruction after bonegraft harvesting for jaw augmentation of patients with severely atrophic jaw. Design Patients considered eligible for cranial bone-augmentation of the severely atrophic jaw, that provide their consent for participation in the trial, will be randomized at recruitment into either the patient-specific implant (P) or cement (C) group. In the P group, the cranial bone defect will be reconstructed with a patient-specific implant (KLS Martin, Tuttlingen, Germany). In the C group, the cranial bone defect will be reconstructed with HydrosetTM (Stryker, New Jersey, USA), calcium phosphate cement, according to the current standard practice at the department. Parameters representing ease of application of the biomaterial , postoperative complication rate, cosmetic and functional outcome will be measured at fixed time-points during surgery and postoperative follow-up. A cone-beam computed tomography (CBCT) scan of both the donor (cranium) and receptor site (jaw) will be taken preoperatively, within 10 days postop, and 6 months post-operatively to measure biomaterial positioning. Conclusions Systematic reviews demonstrate the need for randomized prospective studies regarding implantable biomaterials used in facial reconstructive surgery. We hypothesize that patient-specific implants provide more user-friendly alternatives to the standard care, with better cosmetic results.