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    LiSi (Questions)

    Discussion in 'All Porcelain-Press' started by TheLabGuy, Nov 3, 2016.

    1. rkm rdt
      Artistic

      rkm rdt Well-Known Member Donator Full Member

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      If I can get good translucency with the incisals like I do with emax then I'm going to transistion when My bottles run out . I'm not going to play the " chase the latest porcelain game" anymore.
       
      • Agree Agree x 1
    2. rkm rdt
      Artistic

      rkm rdt Well-Known Member Donator Full Member

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      We all thought you cowboys were the first to transition .:deadhorse:
       
    3. zero_zero
      Drunk

      zero_zero Well-Known Member Full Member

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      We all thought you easterners see through Hollywood propaganda...:deadhorse:
       
    4. sndmn2

      sndmn2 Active Member Full Member

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      Thanks for the report.
       
    5. kmart

      kmart Member Full Member

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      So what are you fellow techs using to press monolithic posteriors? Say an A2 shade do you press in MT A2 or do you press one shade lighter in HT like emax with the Incisal ingots? Also, for full facial layering can you use the MT ingots are do they grey out like emax can?
       
    6. John C

      John C Member Full Member

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      I can't speak on the A2 shade but I pressed a B1 today for #9 and just a mild cutback layered with E58 and no graying. I added a little lustre paste gray to match the shade tab better
       
    7. Car 54
      No Mood

      Car 54 Well-Known Member Donator Full Member

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      I've found the same thing with the emax MTs. They can gray out if you cut them back to much, or leave to much of a space for layering interproximally.
       
    8. Gru
      No Mood

      Gru Well-Known Member Full Member

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      So... thumbs up or down on lisi press? Which ingots are you using/ not using?
       
    9. TheLabGuy

      TheLabGuy Just a Member Full Member

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      Depends...if I'm just hand polishing and not staining or glazing...then I use A2 MT. If I'm gonna stain and glaze, then I would go down to A1 to give me some room to play with my stain. However, just heard a lecture from Dr. Christenson, and he swears that us lab techs should not be using glaze to shine up our crowns...that it wears off after six months. Just something to throw out there for ya all to mull over.
       
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    10. TheLabGuy

      TheLabGuy Just a Member Full Member

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      I like it, it's different than e.max, you have to use disposable plungers on this stuff, sticks to the old e.max plungers something awful. Value really doesn't seem to be an issue, A2 stays A2, even clinically. Still playing with the layering...I'll keep ya posted.
       
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    11. rkm rdt
      Artistic

      rkm rdt Well-Known Member Donator Full Member

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      He needs to define glaze.
       
    12. Sda36

      Sda36 Active Member Full Member

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      Ya, no kidding, good point! Lustre paste, In Sync and even Ivocolor require significant application of diamond impregnated rubber wheels to Start removing some.
      Often use Brassler Feather Light wheels post glaze to modify glazed appearance.
       
    13. rkm rdt
      Artistic

      rkm rdt Well-Known Member Donator Full Member

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      I don't recall ever being advised to hand polish a pfm .
       
    14. dmonwaxa

      dmonwaxa Moderator Staff Member Full Member

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      Funny how in the olde metal ceramic days artificial (applied) glaze was scorned upon. Funny how today, it's use is widespread and totally acceptable. Go figure! Those olde' prosthodontist I worked for would have a kanipshin hissy fit!
       
    15. 2thm8kr
      Devilish

      2thm8kr Beanosavedmysociallife Full Member

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      I never really understood why glaze was frowned upon in old pfm restos. It helps to prevent crack propagation.
       
      • Agree Agree x 1
    16. rkm rdt
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      rkm rdt Well-Known Member Donator Full Member

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      I bet every cerec dentist hand polishes their emax crowns chairside.
       
      • Funny Funny x 1
    17. dmonwaxa

      dmonwaxa Moderator Staff Member Full Member

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      Never had any crack much less fracture ....
      Some I wouldn't know....;);)
       
    18. Car 54
      No Mood

      Car 54 Well-Known Member Donator Full Member

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      Agree. Haven't used glaze on PFMs for ~25 years. No problems or issues that I was ever made aware of.
       
    19. Car 54
      No Mood

      Car 54 Well-Known Member Donator Full Member

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      I think with the final "glaze" bake, then hand polish we were fine, until the Drs adjusted them with their heatless wheels and put the cracks, micro cracks in them :eek:
       
    20. rkm rdt
      Artistic

      rkm rdt Well-Known Member Donator Full Member

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      I doubt gc Lustre wears off in six months.

      Why would it? It's not a fricken glaze !!!Banghead
       

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