Effect of finishing and polishing procedures on the gap width between a denture base resin and two long-term, resilient denture liners

摘要: Abstract Statement of Problem. The junction between a long-term, resilient denture liner and the base is difficult to finish polish due differences in hardness materials. Gaps tend form during finishing polishing procedures. Purpose. This study measured junctional gap 2 liners material after different procedures were performed. surface smoothness materials also was evaluated Material Methods. Molloplast-B an experimental, heat-polymerized methyl siloxane-resin-based processed (according manufacturer's instructions) against Lucitone 199 acrylic resin. Control specimens (n = 20) mm thick flat. Experimental 64) fabricated with raised center section: 3- × 5- 15-mm half-cylindrical ridge at top cylinder finished 1 6 types burs polished combinations rubber-impregnated polishers, pumice, tin oxide. examined photographed scanning electron microscope, largest along liner/denture on each specimen measured. Three-way analysis variance without replication ( P t tests used analyze data compare groups. Results. Averaged across techniques, larger recorded for experimental (22 μm) than (14 =.015). Conclusion. Within limitations this study, tested behaved similarly. results suggest that size may be affected by techniques vary among (J Prosthet Dent 2002; 87:311-8.)