| 摘要 |
The invention relates to a series of single use print holders for obtaining prints of the maxillary arch and of the mandibular arch in edentulous patients; on the periphery the print holders (1; 16) comprise a chanenl (4; 17) which surrounds the gingival crest maintaining a certain gap between the surface of the print holder (1; 16) and the surface of the gum for the material for obtaining the prints; to favour stability, the print holder is provided with gingival supports (11, 12; 25, 32) and for better positioning it comprises a front handle (14; 32) and projections (33); by selecting a suitably sized print holder (1; 16) amoung the ones in the series, the final print to realize the total prosthesis can be obtained directly witout making the preliminary primary print.
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