Evaluation of 3D Printed Computer Assisted Patient’s Specific Scaffold Seeded by Autologous Bone Marrow Mononuclear Cells in Mandibular Reconstruction

Purpose: This study was carried out to evaluate both clinically and radiographicly the use of 3D printed computer assisted patient’s specific scaffold seeded with ABMMCs in mandibular reconstruction. Materials and methods: The present study was conducted on eight patients who needed mandibular reconstruction. All patients in this study were subjected to mandibular reconstruction using 3D printed computer assisted patients specific scaffold using PLLA scaffold seeded with ABMMCs combined with osteoplastic materials of biological origin as Osteomatrix (LLC Konectbiopharm, Russia) which composed of natural collagen and hydroxyapatite with affinity-bound sulfated glycosaminoglycan (SGAG). All patients underwent preoperative cranial-maxillofacial CT scans, immediate postoperative and after six months for assessment of bone density and volume changes. Results: The reduction in bone density (17.4%) and bone volume (14.5%) from immediate to six months was statistically significant. There was an increase in bone density in the area near the autogenous bone of the patient than the area far from the autogenous bone of the patient. Conclusion: Using 3D printed computer assisted patient’s specific scaffold seeded with ABMMCs combined with Osteoplastic materials of biological origin in mandibular reconstruction is useful in small defects.