1. Fundamentals of fixed prosthodontics;Shillingburg,1997
2. Endodontic considerations in restoration of partial overdenture abutments;Safavi;Dent Clin North Am,1990
3. Overdentures;DeFranco;Dent Clin North Am,1977
4. Design preparation, and maintenance of overdenture abutments;Walters;Dent Clin North Am,1990
5. A time-saving method for indirect fabrication of cast posts and cores;Von Krammer;J Prosthet Dent,1996