title: Full-arch vertical reconstruction of an extremely atrophic mandible with "box technique". A novel surgical procedure: a clinical and histologic case report.
abstract: OBJECTIVE
  To describe a new augmentation procedure named "box technique" for bone reconstruction in a severely atrophic jaw with mandibular and mental nerve dehiscence.
  
  
  METHODS
  The first surgical box technique procedure was performed to augment the atrophic posterior area. Simultaneously, 2 implants were inserted into the interforaminal zone to stabilize the denture. After 6 months, 2 implants were positioned in the regenerated bone, and a second box technique procedure was performed to reconstruct the ridge in the area of fixture exposition. Six months after the second surgery, the patient was rehabilitated with a removable prosthesis retained on 4 implants.
  
  
  RESULTS
  The clinical and histologic analyses highlighted outstanding healing resulting from this vertical and horizontal allografting and included complete resorption of poly D,L-lactide meshes and substitution of the mineralized human bone allograft with an excellent quality new bone formation.
  
  
  CONCLUSIONS
  Results confirm the effectiveness of the technique, which needs a further case series study endorsing its reliability.
authors.affiliation: Unit of Periodontology and Implantology, School of Dentistry, University of Bologna, Bologna, Italy.
authors.forename: Andrea
authors.initials: A
authors.lastname: Menoni
authors.forename: Fabio
authors.initials: F
authors.lastname: Bernardello
authors.forename: Sergio
authors.initials: S
authors.lastname: Spinato
authors.forename: Davide
authors.initials: D
authors.lastname: Zaffe
mesh_terms: D020341:Absorbable Implants; D000368:Aged; D064591:Allografts; D000540:Alveolar Ridge Augmentation / Q000379:methods*; D001284:Atrophy; D001861:Bone Regeneration / Q000502:physiology; D016025:Bone Transplantation; D003724:Dental Arch / Q000473:pathology / Q000601:surgery*; D003758:Dental Implantation, Endosseous / Q000379:methods; D019094:Dental Prosthesis, Implant-Supported; D003825:Denture, Complete, Immediate; D003826:Denture, Complete, Lower; D003828:Denture, Overlay; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008334:Mandible / Q000473:pathology / Q000601:surgery*; D008340:Mandibular Nerve / Q000473:pathology; D008852:Microradiography; D010012:Osteogenesis / Q000502:physiology; D059745:Piezosurgery / Q000379:methods; D011091:Polyesters / Q000627:therapeutic use; D013526:Surgical Mesh
chemical_list: D011091:Polyesters; C033616:poly(lactide)