Best Incisal Wrap Preparation?

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Dr. F. asks:
Could somebody please describe the best incisal-wrap preparation? I have been to three courses and been told at each course that one particular design is the best. Do I do a chamfer 2-3mm down on the lingual side? Do I cut off 2mm from the incisal edge and produce a butt joint? Do I end the incisal edge of the porcelain on the labial side and just put a very shallow bevel along the labial side of the incisal edge? Is there any real difference in theses three designs? I am really confused on this. What does the literature show on this?

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2 Responses to “ Best Incisal Wrap Preparation? ”

  • elie February 3rd, 2009

    Dear Dr F.
    I always over lap the incisal edge by 1mm. But stay far from the occlusal bite contact of the antagonists. BRIDGING the incisal edge will mask the composite bonding lutting cement, which can stain over the years due to coffee, tabacco etc……..
    Hope it helps
    Dr Elie Warde DDS Cosmetic Dentistry

  • Alejadro Berg February 10th, 2009

    Dear F: incisal wrap is actually quite simple, a god2-3mm from the allready prepared incisal margin.(hopefully that puts the preparation margin more cervical than the point of oclusion of the lower teeth. The question about the form of the shoulder is even simpler: it depends on the ceramic your lab is using: procera you need a round chamfer, pressed ceramics like emax use a chamfer also, others like mirage use a straight shoulder, etc so ask your lab.
    hope that was clear enough