Kucukkurt, S., and H. Tùkel. “Does Number of Implants or Type of Attachment Affect Patient Satisfaction With Implant-Retained Mandibular Overdentures?”. Journal of Osseointegration, vol. 12, no. 2, Jan. 2020, pp. 154-60, doi:10.23805/JO.2020.12.01.04.