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Ok. I am having an issue with acrylic "flash" around teeth after process.
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<blockquote data-quote="nickate" data-source="post: 247404" data-attributes="member: 515"><p>I have tried everything-- even waxing UP TO the teeth and never having to scrape or clean them off before investing as they never had wax on them to begin with-- yet this problem persists. THERE IS NO WAX REMAINING AROUND THE CERVICALS (I know, I know-- but really. I am using a magnifier to check.)</p><p>About a .75-1mm piece of stone left around the cervical edge of the teeth after devesting. You can pop it off but the acrylic film remains-- and needs to be lightly chiseled around just rubbing over it with the back side of the chisel lightly-- VERY thin skin or film... almost seems like it could be separator.</p><p>If I pull a tooth out of the flask after painting w/ separator- the separator has not leeched past the cervical edge.</p><p>Investing with Hydrocal 105 yelow stone.</p><p>I would rather not use insulating pastes or puddies.</p><p></p><p>The rundown:</p><p>Waxing up to teeth- not going over and removing- wax never introduced on to cerv. past where waxed</p><p>NO WAX SOLVENTS APPLIED</p><p>All yellow stone investing</p><p>Tried 3 different waxes- To soften the wax--tried from 5 min all the way to 10 mins to soften the wax in boil out tank. Nope.</p><p>Pneumatic press used- 4500psi and have tried down to 3100 psi thinking maybe pushing past... Nope.</p><p>Two different separators... no way</p><p>Tried bench set 15 mins., no bench set.... un-uh</p><p>Tried fast cure, slow cure- nada</p><p>3 different brands of acrylic-- no</p><p></p><p>Not passing the job off to another tech. Hands on by me.</p><p></p><p>This is frustrating. Help me MOMMA!!!!</p></blockquote><p></p>
[QUOTE="nickate, post: 247404, member: 515"] I have tried everything-- even waxing UP TO the teeth and never having to scrape or clean them off before investing as they never had wax on them to begin with-- yet this problem persists. THERE IS NO WAX REMAINING AROUND THE CERVICALS (I know, I know-- but really. I am using a magnifier to check.) About a .75-1mm piece of stone left around the cervical edge of the teeth after devesting. You can pop it off but the acrylic film remains-- and needs to be lightly chiseled around just rubbing over it with the back side of the chisel lightly-- VERY thin skin or film... almost seems like it could be separator. If I pull a tooth out of the flask after painting w/ separator- the separator has not leeched past the cervical edge. Investing with Hydrocal 105 yelow stone. I would rather not use insulating pastes or puddies. The rundown: Waxing up to teeth- not going over and removing- wax never introduced on to cerv. past where waxed NO WAX SOLVENTS APPLIED All yellow stone investing Tried 3 different waxes- To soften the wax--tried from 5 min all the way to 10 mins to soften the wax in boil out tank. Nope. Pneumatic press used- 4500psi and have tried down to 3100 psi thinking maybe pushing past... Nope. Two different separators... no way Tried bench set 15 mins., no bench set.... un-uh Tried fast cure, slow cure- nada 3 different brands of acrylic-- no Not passing the job off to another tech. Hands on by me. This is frustrating. Help me MOMMA!!!! [/QUOTE]
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Ok. I am having an issue with acrylic "flash" around teeth after process.
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