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Lab talk, the good, the bad, and the ugly
All Porcelain-Press
Advice on Emax crown over Zirconia abutments
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<blockquote data-quote="wileyE" data-source="post: 39084" data-attributes="member: 4292"><p>Thanks all for the replies.</p><p></p><p><em><strong>rkm_rdt</strong></em>, I can confirm that the abutment is Zirconia, since the prosthodontist specifically ordered them in place of my much older titanium abutments in order to slenderize the diameter of the abutments and to achieve a better esthetic result.</p><p></p><p><em><strong>Brett</strong></em>, I was impressed by the look of the bare abutments in comparison to the older titanium ones, since they had a lighter color and a slender profile. In your opinion, are there other attributes in the construction of the Zirconia abutments that are critical in achieving an overall superior esthetic result? The prosthodonist speculated that the abutments might be acting as a conduit, much like a fiber optic cable, and transmitting the color from the titanium implant to the crown. If so, can this effect be reduced or eliminated with a particular design?</p><p></p><p><em><strong>Alistar</strong></em>, I did visit the lab for a custom shade appointment where they took photos, digital color readings, and made colored pencil sketches, which lasted approximately 30 minutes. I went in again on a second appointment where the final color and shape evaluation were made, which lasted approximately 90 minutes. </p><p></p><p>One important point, I believe, was the lab did not have the ability to test the e.Max crowns on the mounted Zirconia abutments, since the prosthodontist did not have temporaries made. That is, I arrived at the second appointment with my cemented-in old crowns and abutments. I wonder if this makes the process much more difficult for the dental lab in achieving a good end result?</p><p></p><p>I'll admit my naivete kept me from taking a more active role in the initial communication between the prosthodontist and the dental lab/ceramist beyond my request to the doctor for a non-titanium solution. Given my understanding of the situation now, it seems there might be trade-offs between shade and translucency. A natural appearance in typical life situations is my primary desire and translucency is a more of a nice-to-have.</p><p></p><p>P.S. I meet with the dental lab tomorrow, after visiting my prosthodontist yesterday. Hopefully, there will be a consensus on how to proceed. Thanks again for all your good advice.</p></blockquote><p></p>
[QUOTE="wileyE, post: 39084, member: 4292"] Thanks all for the replies. [I][B]rkm_rdt[/B][/I], I can confirm that the abutment is Zirconia, since the prosthodontist specifically ordered them in place of my much older titanium abutments in order to slenderize the diameter of the abutments and to achieve a better esthetic result. [I][B]Brett[/B][/I], I was impressed by the look of the bare abutments in comparison to the older titanium ones, since they had a lighter color and a slender profile. In your opinion, are there other attributes in the construction of the Zirconia abutments that are critical in achieving an overall superior esthetic result? The prosthodonist speculated that the abutments might be acting as a conduit, much like a fiber optic cable, and transmitting the color from the titanium implant to the crown. If so, can this effect be reduced or eliminated with a particular design? [I][B]Alistar[/B][/I], I did visit the lab for a custom shade appointment where they took photos, digital color readings, and made colored pencil sketches, which lasted approximately 30 minutes. I went in again on a second appointment where the final color and shape evaluation were made, which lasted approximately 90 minutes. One important point, I believe, was the lab did not have the ability to test the e.Max crowns on the mounted Zirconia abutments, since the prosthodontist did not have temporaries made. That is, I arrived at the second appointment with my cemented-in old crowns and abutments. I wonder if this makes the process much more difficult for the dental lab in achieving a good end result? I'll admit my naivete kept me from taking a more active role in the initial communication between the prosthodontist and the dental lab/ceramist beyond my request to the doctor for a non-titanium solution. Given my understanding of the situation now, it seems there might be trade-offs between shade and translucency. A natural appearance in typical life situations is my primary desire and translucency is a more of a nice-to-have. P.S. I meet with the dental lab tomorrow, after visiting my prosthodontist yesterday. Hopefully, there will be a consensus on how to proceed. Thanks again for all your good advice. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
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Advice on Emax crown over Zirconia abutments
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