T
TLA
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I need the Gurus here to help me with a problem I'm having, namely my bruxism appliances have not been fitting in the mouth lately! HUGE SETBACK for me!
I've used Eclipse Clear baseplate material, Ivocap processed clear (not the Elastomer) and also Proform Dual Laminate. Everything was going smoothly for awhile, but then BAM! for no good reason nothing is fitting! Even the Ivocap, which I suspect is TOO accurate. I'm processing on the master models, yes I know, I hate to do that too, but first suspect was the dupe models (I use Flexites micowave hydrocolloid). I also use Modern Materials hard set up wax to make the stents, then immediately invest and process. Look and fit great, but then Dr calls and says they won't seat. I take the time to survey cast, block out undercuts, interpoximals, etc. and still they come back.
As for the Eclipse, they're dead on before I light cure. When I re-articulate, they're distorted: on the last one I did, left side was perfect, but the right side was 2mm shy, like the material shrank!. Using Enterra machine, Eclipse/Nightguard 10min cure. Even tried 2 6min cures, as the models seemed hotter than normal. Dentsply tech says machine doesn't get out of calibration, basically no help at all. As for the Proform, they just suck in general because you can't get the soft side hot enough without burning it in the Vacuum Form to adapt closely enough for retention.
I've tried to research this, to no avail, other than running across Glidewell's seemingly perfect machine that spits these things out by the hundreds...maybe I should just cough up the $3K and buy one?
I'd appreciate any advice you have to offer on how to make these appliances!
Thanks all!
I've used Eclipse Clear baseplate material, Ivocap processed clear (not the Elastomer) and also Proform Dual Laminate. Everything was going smoothly for awhile, but then BAM! for no good reason nothing is fitting! Even the Ivocap, which I suspect is TOO accurate. I'm processing on the master models, yes I know, I hate to do that too, but first suspect was the dupe models (I use Flexites micowave hydrocolloid). I also use Modern Materials hard set up wax to make the stents, then immediately invest and process. Look and fit great, but then Dr calls and says they won't seat. I take the time to survey cast, block out undercuts, interpoximals, etc. and still they come back.
As for the Eclipse, they're dead on before I light cure. When I re-articulate, they're distorted: on the last one I did, left side was perfect, but the right side was 2mm shy, like the material shrank!. Using Enterra machine, Eclipse/Nightguard 10min cure. Even tried 2 6min cures, as the models seemed hotter than normal. Dentsply tech says machine doesn't get out of calibration, basically no help at all. As for the Proform, they just suck in general because you can't get the soft side hot enough without burning it in the Vacuum Form to adapt closely enough for retention.
I've tried to research this, to no avail, other than running across Glidewell's seemingly perfect machine that spits these things out by the hundreds...maybe I should just cough up the $3K and buy one?
I'd appreciate any advice you have to offer on how to make these appliances!
Thanks all!