N
noenegdod
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Ah, that makes sense. I dont do any tinting, never have, probably never will, most of my patients dont care about having teeth that look good on the night stand, they're more "rubber hits the road" folks.
I came back and typed this after reading through what I had typed below. I have ADD and am a "bottom liner", "just the facts ma'am" . I cut to the chase and puke out the information. I often offend and that is not the intention. Before I was licensed as a Denturist I worked in an industrial setting and am a journey man welder, steel fabricator and Power/Process engineer. I have a ton of experience in thermodynamics, Hydraulics, Pneumatics and anything else you would expect to run into in a refinery or power plant. I was immediately comfortable with Ivocap as a result of my experience am very confident in the success of any "experiments" I do. So again, I am not trying to offend, have a pissing contest, or anything else, I am honestly just trying to share my experience and acquire others. I also appreciate any feed back anyone is willing to offer me on the way I interact on here as the diagnosis of ADD is relatively new and I am working hard on correcting a lifetime of social misfortune and feedback is invaluable.
The acrylic flows so slowly through the sprue, and the acrylic sticks to the surface to such a degree that the surface texture of the sprue is essentially irrelevant. The bore diameter is what matters and at that what Ivoclar recommends is 3 or 4 times what is actually required. The sprues I grind in are half the size of the spure wax and they still pack a case in less than 5 min. Once its packed all the sprue has to do is supply enough material to allow for shrinkage at a rate that maintains pressure in the case. I was experimenting with sprue size and the smallest I ever had the balls to try was a half round, 1.5mm dia sprue (1.5mm wide and .75mm deep) spure in a CUD. Let it inject for a lot longer (half hour),came out perfect.
I came back and typed this after reading through what I had typed below. I have ADD and am a "bottom liner", "just the facts ma'am" . I cut to the chase and puke out the information. I often offend and that is not the intention. Before I was licensed as a Denturist I worked in an industrial setting and am a journey man welder, steel fabricator and Power/Process engineer. I have a ton of experience in thermodynamics, Hydraulics, Pneumatics and anything else you would expect to run into in a refinery or power plant. I was immediately comfortable with Ivocap as a result of my experience am very confident in the success of any "experiments" I do. So again, I am not trying to offend, have a pissing contest, or anything else, I am honestly just trying to share my experience and acquire others. I also appreciate any feed back anyone is willing to offer me on the way I interact on here as the diagnosis of ADD is relatively new and I am working hard on correcting a lifetime of social misfortune and feedback is invaluable.
The acrylic flows so slowly through the sprue, and the acrylic sticks to the surface to such a degree that the surface texture of the sprue is essentially irrelevant. The bore diameter is what matters and at that what Ivoclar recommends is 3 or 4 times what is actually required. The sprues I grind in are half the size of the spure wax and they still pack a case in less than 5 min. Once its packed all the sprue has to do is supply enough material to allow for shrinkage at a rate that maintains pressure in the case. I was experimenting with sprue size and the smallest I ever had the balls to try was a half round, 1.5mm dia sprue (1.5mm wide and .75mm deep) spure in a CUD. Let it inject for a lot longer (half hour),came out perfect.
