title: Immediate placement of a porous-tantalum, trabecular metal-enhanced titanium dental implant with demineralized bone matrix into a socket with deficient buccal bone: a clinical report.
abstract: A missing or deficient buccal alveolar bone plate is often an important limiting factor for immediate implant placement. Titanium dental implants enhanced with porous tantalum-based trabecular metal material (PTTM) are designed for osseoincorporation, a combination of vascularized bone ingrowth and osseointegration (bone on-growth). Demineralized bone matrix (DBM) contains growth factors with good handling characteristics. However, the combination of these 2 materials in facial alveolar bone regeneration associated with immediate implant therapy has not been reported. A 65-year-old Asian woman presented with a failing central incisor. Most of the buccal alveolar bone plate of the socket was missing. A PTTM enhanced implant was immediately placed with DBM. Cone beam computed tomography scans 12 months after the insertion of the definitive restoration showed regeneration of buccal alveolar bone. A combination of a PTTM enhanced implant, DBM, and a custom healing abutment may have an advantage in retaining biologically active molecules and form a scaffold for neovascularization and osteogenesis. This treatment protocol may be a viable option for immediate implant therapy in a failed tooth with deficient buccal alveolar bone.
authors.affiliation: Assistant Professor, Department of Prosthodontics, School of Dentistry, University of North Carolina, Chapel Hill, NC. Electronic address: Sompop_Bencharit@unc.edu.
authors.forename: Sompop
authors.initials: S
authors.lastname: Bencharit
authors.affiliation: Research Fellow, Department of Prosthodontics, School of Dentistry, University of North Carolina, Chapel Hill, NC.
authors.forename: Warren C
authors.initials: WC
authors.lastname: Byrd
authors.affiliation: Former Resident, Department of Endodontics, School of Dentistry, University of North Carolina, Chapel Hill, NC.
authors.forename: Bashir
authors.initials: B
authors.lastname: Hosseini
mesh_terms: D000368:Aged; D016301:Alveolar Bone Loss / Q000601:surgery*; D000540:Alveolar Ridge Augmentation / Q000379:methods; D001857:Bone Matrix / Q000637:transplantation*; D001861:Bone Regeneration / Q000502:physiology; D017076:Computer-Aided Design; D054893:Cone-Beam Computed Tomography / Q000379:methods; D003442:Crowns; D059605:Dental Implant-Abutment Design; D003758:Dental Implantation, Endosseous / Q000379:methods*; D015921:Dental Implants; D003764:Dental Materials / Q000737:chemistry*; D017267:Dental Prosthesis Design; D019094:Dental Prosthesis, Implant-Supported; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007180:Incisor / Q000601:surgery; D018919:Neovascularization, Physiologic / Q000502:physiology; D016348:Osseointegration / Q000502:physiology; D010012:Osteogenesis / Q000502:physiology; D013635:Tantalum / Q000737:chemistry*; D014025:Titanium / Q000737:chemistry*; D020390:Tooth Socket / Q000601:surgery*; D015040:Zirconium / Q000737:chemistry
chemical_list: D015921:Dental Implants; D003764:Dental Materials; D013635:Tantalum; D015040:Zirconium; D014025:Titanium; C028541:zirconium oxide