1. Mandibular overdentures stabilized by Astra Tech implants with either ball attachments or magnets: 5-year results;Davis;International Journal of Prosthodontics,1999
2. Using restorations borne totally by anterior implants to preserve the edentulous mandible;Davis;Journal of the American Dental Association,1999
3. Implant-supported mandibular overdentures retained with ball or bar attachments: a randomized prospective 5-year study;Gotfredsen;International Journal of Prosthodontics,2000
4. Erste Erfahrungen mit Resilienzteleskopen bei der prothetischen Versorgung enossaler Implantate;Heckmann;Zeitschrift für Zahnärztliche Implantologie,1993