title: Load-Bearing Capacity of Fiber-Reinforced Composite Abutments and One-Piece Implants.
abstract: Fiber-reinforced composites (FRC) can potentially help in a physiologic stress transmission due to its excellent biomechanical matching with living tissues. Novel one-piece FRC implants and abutments with two different fiber orientations were loaded until failure to assess the load-bearing capacity, fracture patterns, and precision of fit. The one-piece FRC implants showed significantly higher load-bearing capacity compared to FRC abutments regardless of the fiber orientation (p < 0.001). For FRC abutments, bidirectional abutments showed significantly higher loads compared to unidirectional abutments (p < 0.001). The type of structure and fiber orientation are strong determinant factors of the load-bearing capacity of FRC implants and abutments.
authors.forename: Marina
authors.initials: M
authors.lastname: Etxeberria
authors.forename: Aous A
authors.initials: AA
authors.lastname: Abdulmajeed
authors.forename: Tomas
authors.initials: T
authors.lastname: Escuin
authors.forename: Miguel
authors.initials: M
authors.lastname: Vinas
authors.forename: Lippo V J
authors.initials: LV
authors.lastname: Lassila
authors.forename: Timo O
authors.initials: TO
authors.lastname: Närhi
mesh_terms: D001696:Biomechanical Phenomena; D017438:Bisphenol A-Glycidyl Methacrylate / Q000737:chemistry; D003188:Composite Resins / Q000737:chemistry*; D017076:Computer-Aided Design; D055117:Curing Lights, Dental / Q000145:classification; D000044:Dental Abutments; D059605:Dental Implant-Abutment Design; D015921:Dental Implants; D018772:Dental Marginal Adaptation; D003764:Dental Materials / Q000737:chemistry*; D017267:Dental Prosthesis Design; D003799:Dental Stress Analysis / Q000295:instrumentation; D055119:Elastic Modulus; D005898:Glass / Q000737:chemistry*; D006801:Humans; D008422:Materials Testing; D008855:Microscopy, Electron, Scanning; D011092:Polyethylene Glycols / Q000737:chemistry; D058105:Polymerization; D011109:Polymethacrylic Acids / Q000737:chemistry; D019904:Polymethyl Methacrylate / Q000737:chemistry; D013314:Stress, Mechanical; D013499:Surface Properties; D014025:Titanium / Q000737:chemistry; D015040:Zirconium / Q000737:chemistry
chemical_list: D003188:Composite Resins; D015921:Dental Implants; D003764:Dental Materials; D011109:Polymethacrylic Acids; C485628:Stick resin; C009753:fiberglass; C020946:triethylene glycol dimethacrylate; D011092:Polyethylene Glycols; D017438:Bisphenol A-Glycidyl Methacrylate; D019904:Polymethyl Methacrylate; D015040:Zirconium; D014025:Titanium; C028541:zirconium oxide