Principles of Attachment Selection for Implant Supported Overdentures
| Principles of Attachment Selection for Implant Supported Overdentures | Hamid Shafie, DDS* and George Obeid, DDS** |
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| The advantages and disadvantages of metal clips are listed in Table 7. Trouble shooting steps for the bar attachment assembly are listed in Table 8.
The Dolder® bar is a prefabricated precision bar attachment developed by Dr. Eugen Dolder in Switzerland. (Continued on P. 24)The Dolder® bar comes in two forms. The rigid form is U-shaped with parallel walls, and is also called a bar unit. (Fig. 20C) The resilient form is egg-shaped in cross-section and provides both vertical and hinge resiliency. The resilient Dolder® bar is also called a bar joint. (Fig. 10D) The Dolder® bar and its sleeve are made of gold alloy (Elitor®). The Dolder® bar is adjustable so the clinician can control the amount of retention provided by the bar. The Dolder® bar should be soldered to the abutments and the sleeve should be secured in the denture base with self-cure acrylic. The various sizes of available Dolder® bars are listed in Table 9 and are shown in Figures 10C and 10D. Indications and contraindications for using the Dolder® bar are listed in Table |
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Volume 19.6 |
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