1. Esthetic considerations with implant-supported prostheses;Cordioli,1989
2. Optimum placement of osseointegrated implants;Engelman;J Prosthet Dent,1988
3. A surgical template for aligned placement of the osseointegrated implant;Johnson;J Prosthet Dent,1988
4. Template for positioning and angulation of intraosseous implants;Burns;J Prosthet Dent,1988
5. Implant surgical template for partially edentulous patients;Chiche;Int J Oral Maxillofac Implants,1989