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  • Title: Improving darkened anterior peri-implant tissue color with zirconia custom implant abutments.
    Author: Watkin A, Kerstein RB.
    Journal: Compend Contin Educ Dent; 2008 May; 29(4):238-40, 242. PubMed ID: 18524208.
    Abstract:
    Tissue discoloration in the cervical third of anterior implant restorations may result from implant abutment material show-through. As an alternative to metal abutments that may compromise the appearance of tissue color in the esthetic zone, zirconia abutments can be used. When zirconia abutments are combined with all-ceramic crowns, the appearance of the peri-implant tissue can be noticeably improved. This article describes two cases where a zirconia abutment replaced an existing metal abutment in a single anterior implant restoration.
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