Cover the inclined arm with a thin layer of wax, fill the female with wax and prepare for duplication.
Wax up the frame. Surround the female with wax and leave the occlusal aspect of the female uncovered. Cast and fi nish the frame. Assemble the retention part with the male spring pin and
the space maintainer. Press the assembled male into the female on the master cast.
The wing of the retention part may be bent, if necessary. Lock the threads of the male spring pin with CEKA BOND. The retention part is available for either winged or circular acrylic fixation.
Images by Dominique Behaeghel, Mechelen-Belgium.
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