Medical applications of additive manufacturing in surgery and dental care

    Research output: ThesisDoctoral ThesisCollection of Articles

    Abstract

    At present handcrafting is still common in surgery and dentistry. The majority of patient specific implants are handmade during surgery and oral appliances are handmade by a dental technician in a dental laboratory. Surgical procedures are usually designed according to medical imaging, but during the surgery, plans are often changed due to issues that were not detectable from the two dimensional images. By using the modern digital technology it is possible to reduce or completely avoid manual work phases, and thus achieve remarkable advantages related to accuracy and speed. Additive manufacturing is a material adding fabrication process, which suits for manufacturing objects with complex geometric shapes for either one piece or small series production. The parts are produced automatically according to a digital 3D model. By digitalizing the medical processes of additive manufacturing can be easily and rapidly performed. Therefore, it is a suitable manufacturing method in both surgery and dentistry. This research concentrated on medical models and patient specific implants made by additive manufacturing, as well as oral appliances used in dentistry. The subjects included (1) medical 3D modeling and design, (2) applying various additive manufacturing technologies and (3) estimating the usability and dimensional accuracy of these processes. As a result a patient specific orbital floor implant and different oral appliances were produced using additive manufacturing and digital design. In addition the effects of different additive manufacturing methods for accuracy of medical models were studied. The results showed that additive manufacturing can be effectively utilized in surgery and dentistry, and patients' treatment results may improve when using the above methods.
    Translated title of the contributionMateriaalia lisäävän valmistuksen lääketieteelliset sovellutukset kirurgiassa ja hammashoidossa
    Original languageEnglish
    QualificationDoctor's degree
    Awarding Institution
    • Aalto University
    Supervisors/Advisors
    • Kuosmanen, Petri, Supervising Professor
    • Mäkitie, Antti, Thesis Advisor
    Publisher
    Print ISBNs978-952-60-5495-7
    Electronic ISBNs978-952-60-5496-4
    Publication statusPublished - 2013
    MoE publication typeG5 Doctoral dissertation (article)

    Keywords

    • 3D printing
    • rapid prototyping
    • rapid tooling
    • implants
    • medical models
    • occlusal splint
    • oral appliances

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