Sökning: "soft bone"

Visar resultat 21 - 25 av 107 avhandlingar innehållade orden soft bone.

  1. 21. On platelet-rich plasma in reconstructive dental implant surgery

    Författare :Andreas Thor; Göteborgs universitet; []
    Nyckelord :autogenous bone graft; bone formation; coagulation; clinical study; complement; dental implant; experimental study; growth factors; platelet activation; platelet-rich plasma; sinus lift surgery; thrombogenicity;

    Sammanfattning : Abstract Background Severe athrophy of the edentulous maxilla may require augmentation before implants can be placed. Autogenous bone has been used for reconstruction in block or in particulated form. LÄS MER

  3. 22. The clinical value of genetic analyses of bone and soft tissue tumors

    Författare :Charles Walther; Avdelningen för klinisk genetik; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES;

    Sammanfattning : Tumors of bone and soft tissue are common but only constitute 1 % of all malignant tumors. The malignant tumors are often difficult to diagnose due to their rarity and morphological resemblance between subtypes. This makes the diagnostic process challenging. LÄS MER

  4. 23. Parathyroid hormone for bone repair and implant fixation - Experiment in rats

    Författare :Ralf Skripitz; Lund Ortopedi; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; PMMA-cement; torque; tensile tesst; Bone conduction chamber; PTH; rats; Surgery; orthopaedics; traumatology; Kirurgi; ortopedi; traumatologi;

    Sammanfattning : Intermittently administered PTH is known to increase bone mass in osteoporosis models. We studied its effects in bone repair and implant fixation, using histological and mechanical techniques in rats. LÄS MER

  5. 24. Molecular cytogenetic characterization of chromosome aberrations in soft tissue and bone tumors

    Författare :Malin A Nilsson; Avdelningen för klinisk genetik; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Genetik; cytogenetik; cytogenetics; Genetics; breakpoint mapping; FISH; structural rearrangements;

    Sammanfattning : Bone and soft tissue tumors (BSTT) belong to a diverse group of solid tumors of mesenchymal origin, with a large number of histological types affecting individuals of all ages. The general aim of the present thesis (Articles I-V) was to investigate in detail the genetic aberrations in selected subtypes of benign and malignant BSTT. LÄS MER

  7. 25. Bone structure characterisation using neutron scattering techniques

    Författare :Elin Törnquist; Avdelningen för Biomedicinsk teknik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; biomechanics; neutron tomography; x-ray tomography; small-angle neutron scattering SANS ; small-angle x-ray scattering SAXS ; Experimental mechanics; implant integration; tomography; nanoscale; microscale; mechanical properties;

    Sammanfattning : Bones have unique mechanical properties that originate from their main constituents: mineral, in the form of hydroxyapatite (HAp) crystals, and collagen type-I. The stiffness of the HAp mineral combined with the flexibility of collagen, and their intricate hierarchical arrangement from the smallest individual building blocks to the organ level, result in a composite tissue with a remarkable ability to withstand complex loading scenarios. LÄS MER