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  1. Pat_L

    Looking for Lab Looking for Removable Lab

    Bertram Dental in Wisconsin, America’s Dental in Belton MO, Studio 32 in Texas, Chromeworks in Chico CA.
  2. Pat_L

    Primotech Preformed Wax patterns

    Would you not use the same technique for the printed ones? Sprue them, individually or in a tree, then invest as normal. As long as you’re following burnout parameters, it should work the same, no?
  3. Pat_L

    RPD casting problems

    I would agree these are short casted. Could be the rings aren’t heat soaked for long enough at temperature for them to be evenly expanded, or the alloy heating, or even as simple as the initial “whip” not being fast enough. I sized to use an electric casting machine, didn’t like it and went back...
  4. Pat_L

    Best material for hard/soft nightguards

    We used to press pack clear acrylic with a wax spacer, then replace with Impak. Now we do the entire thing with Impak at a 3 to 1 powder to liquid ratio. The finished product ends up hard but malleable when warmed. Every doctor we’ve done one for has switched. Easy to insert, polishes nicely...
  5. Pat_L

    Night guard material

    We use Impak for most of our nightguards. You can control the softness by varying the ratio of powder to liquid. We use a 3 to 1 powder to liquid ratio, our guards are hard in the mouth but flexible to insert and remove
  6. Pat_L

    keystone clear clasp otsoclasp experience

    We're doing some experimenting with the 4C acrylic from Posco Dental. It's a semi flexible acrylic, so there's a chemical bond. It comes in either tubes for injecting or sheets for vacuum forming. You can cut the vacuum form sheets into strips and use a heat gun to mold them into clasps...
  7. Pat_L

    Digital RPD's

    If by printing your frame instead of waxing it up you have a lot less time on the lathe, you were doing it wrong before.
  8. Pat_L

    Lab Specializing in Removable Prosthesis

    If you keep an eye out for the numbers, you can make a profit in every area of the lab. Removable has less on the supply side for expenses, but the margins can be higher. Small 1 to 3 person labs seem to do ok, and large 6 and over labs as well, but there seems to be an area in the middle...
  9. Pat_L

    porcelain to titanium partials

    I've done a couple like this, one with S/P and a couple with ceramic gold. The retention was, as rkm stated, a pain in the a$$. I ended up charging extra for the build up and cut back time, as well as the charge for the metal. The ceramic au partial was around $300 if I remember...
  10. Pat_L

    How to Handle Same Day Repairs

    We started the in by 9, out by 4 as well (no extra charge). For some reason, the past few years it has started to bleed to in by !0ish, out by 2, so we raised the price of our repairs. If you need to drop everything to do them, may as well get paid for it. We use a courier service, but the...
  11. Pat_L

    Advice for a friend

    Usually the immediate denture is the ugliest thing available. Unless you are dealing with an ideal situation, the teeth are not ground enough and therefore set off the ridge, causing the overbite and "toothy" look. Some techs try to grind the teeth to where they should be, ending up in a...
  12. Pat_L

    Cast Frame Outsourcing

    I don't quite understand the parallel between buying a car from Japan and getting a cast partial frame. The problem with outsourcing isn't the quality, it's presuming your standard of living is more important than the standard of living of the technician in the next county. By sending your...
  13. Pat_L

    Hard Soft nightguards

    We do mostly the Impak thermoflex here. Waxed up and processed, but nice when done. I find it a little thicker than the standard nightguard, but not by much.
  14. Pat_L

    Internal Frameworks

    Personally, I think 125 is inexpensive. We make swinglock partials but charge 140 for the framework and an extra 90 for the swinglock unless we do the double hinge with the latch in the middle, then it's another 30.
  15. Pat_L

    Hard / Soft Nightguards (How To?)

    Buffalo has a vacuum formed dual laminate that we used to use for nightguards. You can do a build up on the hard surface with cold cure or tap the bite into the hard surface. We don't get much call for them anymore, everyone seems to want the Thermoflex style
  16. Pat_L

    RPD framework lab?

    We charge 180 for the frame to our local university, but that's because the wax up has to go there to be approved. Our normal price for a framework is 140. We've been doing frames here for 21 years with good success. I don't know how comfortable you are with sending to Canada, but when the...
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