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Ball stud attachment systems. Copyright© 2018 Payne A, Zarb G. Implant overdentures. In: Zarb G, Hobkirk J, Eckert S, Jacob R, editor(s). Prosthodontic Treatment for Edentulous Patients: Complete Dentures and Implant‐Supported Prostheses. 13th edition. St Louis, Missouri, USA: Mosby, 2013:330‐9 (Payne 2013): reproduced with permission.
