Cite

    Fardal, Ø., & Grytten, J. (n.d.). a comparison of teeth and implants during maintenance therapy in terms of the number of disease‐free years and costs ‐ an in vivo internal control study. Journal of clinical periodontology, 40, 645–651. http://access.bl.uk/ark:/81055/vdc_100024499938.0x000046