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Video Details
Dental Ceramics: Material Properties and Clinical Applications - Part 2 of 3

Description:
This presentation will give viewers a background of the physical and mechanical properties of current dental ceramics. The material properties of the ceramics will be used to explain clinical recommendations for selecting a restorative material and designing the prosthesis. Additionally, laboratory research data will be presented to help the clinician determine the best method to cement or bond an all-ceramic restoration. Finally, an overview of laboratory fabrication of all-ceramic restorations will be presented in order to show clinicians their options when sending out a laboratory prescription.

Date Added:
7/11/2014

Author(s):

Nathaniel Lawson, DMD, PhD Nathaniel Lawson, DMD, PhD
Dr. Nathaniel Lawson is an Assistant Professor in the Division of Biomaterials at the University of Alabama at Birmingham. He started his education as a biomedical eng...
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Online Videos / Restorative / Other Restorative / Dental Ceramics: Material Properties and Clinical Applications - Part 2 of 3




Questions & Comments
Nathaniel Lawson - (7/22/2016 8:46 PM)

Sorry this I coming so late, thanks to Dr. Goldstein for bringing these to my attention:
@Jessica Wyatt: That's not a dumb question. When I am referring to bilayered emax that is usually a core of emax with a layer of veneered porcelain. Bilayered zirconia can have a core of zirconia with a layer of veneered porcelain (more common) or a layer of pressed emax. You don't typically layer zirconia over other materials since it is a relatively opaque (and therefore not esthetic) material.

@Ravi Khubani: We have compared emax etched with 9.5% HF for 60 sec and 5% HF for 20 sec. Although those two extremes looked very different on their surface under a microscope, they provided similar bond strength. Here's the reference: Kalavacharla VK, Lawson NC, Ramp LC, Burgess JO. Influence of etching and silane treatment with a universal adhesive on lithium disilicate bond strength. Oper Dent. 40(4):372-8

@John Fazio: Monobond Plus has and MDP-like molecule and silane. We have done bond strength studies with Monobond Plus and it bonds well to emax and zirconia.

Thanks for all the positive feedback!!!

Nate

Jessica Wyatt - (7/20/2016 12:43 PM)

Great video! I'm a dental student and I have a dumb question... When you say bilayered emax or bilayered zirconia, are both of the layers the same material just layered for esthetics or can you veneer max material over other things like zirconia? Is the zirconia material just layered over a zirconia coping or you do ever layer zirconia over other materials? What would be the advantage of that? Thank you!

Tanupriya Gupta - (10/20/2015 1:12 PM)

Thank you very much for a highly informative lecture. Very complex things put forward in a very easy to understand manner.

Ravi Khubani - (3/26/2015 10:24 PM)

Hi Nathaniel, first of all thanks for the excellent course. I have a question.... I use 9% HF for 20s for my e.max press or e.maxCAD crowns. In your lecture you recommend 5% for 20s. Is there a big difference in structural change? any studies on it? I personally love e.max and avoid zirconia because in most esthetic cases it needs layering porcelain and IMHO that just increases the chances of failure Regards

Mahima Gupta - (12/1/2014 10:56 PM)

very informative and very easy to understand...

John Fazio - (11/20/2014 4:00 PM)

I use Monobond plus as a universal silane coupling agent. Should I use Mono-bond plus for Zirconia and a separate silane for E-Max?

Ahmed Rajab - (7/16/2014 11:39 PM)

Very Organised , Very unique & informative, clear straightforward, Thanks alot for sharing

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