Sökning: "beam computed-tomography"

Visar resultat 1 - 5 av 53 avhandlingar innehållade orden beam computed-tomography.

  1. 1. Computed tomography in endodontic decision making

    Författare :Fernando José Mota de Almeida; Malmö universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; endodontics; decision making; computed tomography; CBCT; cone beam; interviews; qualitative content analysis; diagnostic thinking efficacy; therapeutic efficacy;

    Sammanfattning : Computed tomography has been used in dentistry as a complement to two-dimensional (2D) imaging since the 1980s. The advent of cone beam computed tomography (CBCT), a more modern computed tomog-raphy technique, meant a revolution in dento-maxillofacial imaging due to sharper images, with less radiation and at a lower cost than with mul-ti-slice computed tomography (MSCT), i. LÄS MER

  3. 2. Cost and benefits of cone beam computed tomography : for maxillary canines with eruption disturbance

    Författare :Helena Christell; Malmö högskola; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Diagnostic methods; Cost-effectiveness; Economic evaluation; Systematic review; Cost-analysis; Radiology; Odontology; CBCT; Cone beam computed tomography;

    Sammanfattning : I tandvården finns allt fler metoder för prevention, diagnostik och behandling. Eftersom resurserna är begränsade bör den metod väljas där nyttan uppväger kostnaden. Idag saknas dock vetenskapliga belägg gällande kostnadseffektivitet för undersökning med Cone Beam Computed Tomography (CBCT). LÄS MER

  4. 3. Maxillofacial cone beam computed tomography (CBCT) : aspetcs on optimisation

    Författare :Ayman Al-Okshi; Malmö högskola; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; CBCT; OPTIMISATION; DOSAGE;

    Sammanfattning : Inom odontologisk såväl som inom medicinsk radiologi sker en snabb utveckling av nya tekniker. Nya metoder för att kunna diagnosticera och följa sjukdomsförlopp över tid introduceras. Cone-Beam Computed Tomography (CBCT) är en sådan ny teknik, som introducerades inom odontologin under sent 1990-tal. LÄS MER

  5. 4. Cone Beam Computed Tomography - radiation dose and image quality assessments

    Författare :Sara Lofthag-Hansen; Göteborgs universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Cone beam computed tomography; anatomic landmarks; dose-area product; image quality; implant planning; periapical diagnosis; radiation dosimetry;

    Sammanfattning : Diagnostic radiology has undergone profound changes in the last 30 years. New technologies are available to the dental field, cone beam computed tomography (CBCT) as one of the most important. LÄS MER

  7. 5. Cone Beam Computed Tomography in Evaluations of Some Side Effects of Orthodontic Treatment

    Författare :Henrik Lund; Göteborgs universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Cone beam computed tomography; orthodontics; adolescents; root resorption; marginal bone height;

    Sammanfattning : In the late 1990s a new imaging modality, Cone Beam CT (CBCT) that enables high quality three-dimensional imaging at lower doses than Computed Tomography (CT), was introduced in dento-maxillofacial imaging. In 2005 the Swedish Council on Health Technology Assessment (SBU), in a review of scientific articles on Malocclusions and Orthodontic Treatment in a Health Perspective, found low or contradictive evidence for an association between orthodontic treatment and risks for negative side effects. LÄS MER