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Removable
"Poured" dentures
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<blockquote data-quote="TECHARTISAN" data-source="post: 40143" data-attributes="member: 1289"><p>Ive been pouring several years, my experience pretty much supports everything DGuy's said...</p><p></p><p>Id like to add that while there are certainly a number of lower grade pour acrylics....a couple Ive grown to love</p><p></p><p>Fricke Hi-I(mpact) comes in a pourable....great stuff</p><p></p><p>Lucitone Fas-Por+ is really nice as well but it thickens rapidly....can only pour 2 arches at a time.</p><p></p><p>a few issues Id mention...and your milage may vary in this....but...</p><p></p><p>its much easier to get a pink tooth with pourable....waxups must be clean with crisp gingival carve..if the wax flows smoothly onto the tooth the liquid resin will sometimes flow the tooth right out of its hydrocolloid "socket"....usually only a problem when a new waxer flame polishes AFTER his final carve. </p><p></p><p>Wax in the occlusals encourages pink teeth....as does being lax in your hydrocolloid conditioning/replacement. Fluid is less forgiving...</p><p></p><p>If you dont bench set sufficiently its quite easy to "bump" a tooth out of place as well.</p><p></p><p>If you dont bench set sufficiently, or your curing pot is too hot...the acrylic will draw up leaving a space you can slip a BPBlade under in the posterior....a remake in my book.</p><p></p><p>If you pour too quickly, youll get small air bubbles in the interproximals, and no one likes to "repair" a freshly made denture.</p><p></p><p>A really thick denture...think ridgeless lower...will sometimes show some porosity due to issues with exotherm during cure.</p><p></p><p>Last but not least....there is NO repack possible....so if you mis-sprue...cross your fingers and pray to the denture gods....</p><p></p><p>While pour can be a bit technique sensitive, it is less labor intensive in my opinion. Once youve adjusted your waxing style its really a great way to work. I usually have a case or two a day that I can remove the sprues and go straight to polish without any additional finishing. </p><p></p><p>While I prefer to take my time...In a pinch I can take a 2 arch case from impression, out the door in just under 2 hours.</p><p></p><p>All that said..I like pour...Id rather be injecting...but Im a few notches down the totem pole from those decisions.</p></blockquote><p></p>
[QUOTE="TECHARTISAN, post: 40143, member: 1289"] Ive been pouring several years, my experience pretty much supports everything DGuy's said... Id like to add that while there are certainly a number of lower grade pour acrylics....a couple Ive grown to love Fricke Hi-I(mpact) comes in a pourable....great stuff Lucitone Fas-Por+ is really nice as well but it thickens rapidly....can only pour 2 arches at a time. a few issues Id mention...and your milage may vary in this....but... its much easier to get a pink tooth with pourable....waxups must be clean with crisp gingival carve..if the wax flows smoothly onto the tooth the liquid resin will sometimes flow the tooth right out of its hydrocolloid "socket"....usually only a problem when a new waxer flame polishes AFTER his final carve. Wax in the occlusals encourages pink teeth....as does being lax in your hydrocolloid conditioning/replacement. Fluid is less forgiving... If you dont bench set sufficiently its quite easy to "bump" a tooth out of place as well. If you dont bench set sufficiently, or your curing pot is too hot...the acrylic will draw up leaving a space you can slip a BPBlade under in the posterior....a remake in my book. If you pour too quickly, youll get small air bubbles in the interproximals, and no one likes to "repair" a freshly made denture. A really thick denture...think ridgeless lower...will sometimes show some porosity due to issues with exotherm during cure. Last but not least....there is NO repack possible....so if you mis-sprue...cross your fingers and pray to the denture gods.... While pour can be a bit technique sensitive, it is less labor intensive in my opinion. Once youve adjusted your waxing style its really a great way to work. I usually have a case or two a day that I can remove the sprues and go straight to polish without any additional finishing. While I prefer to take my time...In a pinch I can take a 2 arch case from impression, out the door in just under 2 hours. All that said..I like pour...Id rather be injecting...but Im a few notches down the totem pole from those decisions. [/QUOTE]
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