plastic matl., esp. a polyurethane, into a mould having a negative impression of the supporting frame and sieve face, and contg. reinforcements and extension parts, and gelling and curing the plastic matl. in the mould. It is produced at low costs and has much less tendency to crack than...
On the other hand, in producing the impression, its surface must be reproduced very precisely. The material of the impression is generally agar, alginate, or rubber, which is likely to be deformed or damaged under a minor external force. Thus, it can be easily assumed that with the vibrator...
However, each of the groups in which Hydrosystem surfactant was used before impression recording resulted in dies with significantly fewer voids than when it had not been used, independent of the surface wetting agent used in the prourin of dies (p<0.05). To reduce the number of voids in ...
A Novel Technique to Fabricate a Customized Jig using Light Cured Resin Tray Material Factors such as the impression technique, design of the impression copings, technique of pouring of the impression, and properties of the impression ...