Principles of Attachment Selection for Implant Supported Overdentures
| Principles of Attachment Selection for Implant Supported Overdentures | Hamid Shafie, DDS* and George Obeid, DDS** |
 Volume 19.6 Download References Full Text |
|
|
**due to the size of some of the pdf files some might be hard to load, download the pdf instead. |
|
| in any voids in the acrylic as necessary in the intaglio surface. (Fig. 9E)
• Replace the black processing inserts with the final retentive male inserts. We recommend low retention initially (Fig. 9F) BAR ATTACHMENTS Bar Materials Bar attachments can be prefabricated from type-IV gold, like the original 1.6 mm Dolder® bar.28-34 Prefabricated type-IV gold bars should be soldered to the abutments with a low fusing solder. Other types of bars come in castable, pre-milled plastic patterns. These bars are available in 0.2° and 4° for telescopic milled restorations. The bar castings should only be made with hard alloys. A minimum Vickers hardness of 200 and at least 95,000 psi ultimate tensile strength is required. Non-precious alloys are contraindicated for implant reconstruction. Examples of castable bars are given in Table 4. Bar clips or riders are available in different materials and configurations. The metal clips and riders are fully adjustable. Plastic Hader/EDS clips are non-adjustable,
|
 |
||||
|
SROMS |
|
16 |
|
Volume 19.6 |
|
