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The Journal of Adhesive Dentistry

Edited by Jean-François Roulet

ISSN (print) 1461-5185 • ISSN (online) 1757-9988


January/February 2012
Volume 14 , Issue 1

Pages: 7 - 10
PMID: 22282749
DOI: 10.3290/j.jad.a22708
Share Abstract:

Bonding Lithium Disilicate Ceramic to Feather-Edge Tooth Preparations: A Minimally Invasive Treatment Concept

Cortellini, Davide / Canale, Angelo

Purpose: To report the short-term clinical outcome of a new minimally invasive prosthetic approach utilizing monolithic lithium-disilicate full crowns bonded to feather-edge tooth preparations. Materials and Methods: 235 teeth, 136 anterior and 99 posterior, requiring a full crown were prepared with a feather-edge finish line providing a minimum space on the vertical walls of 0.3 mm at the margin, 0.5 mm along the axial walls, and an occlusal space of 1 to 1.5 mm to ensure sufficient resistance of the restoration. The dental technician manufactured the monolithic restorations using either CAD-CAM or pressed technology. The restorations were individualized with a staining technique to obtain the necessary esthetic characterization and bonded to the natural abutments using an adhesive cementation procedure. Results: Out of 235 treated elements, only one monolithic restoration in a molar position fractured after 3 years of service. No biological or technical complications were observed. The final esthetic result was optimal. Conclusion: This procedure can be considered a further option for the conservative restorative treatment of single elements where a full crown is required. Keywords: lithium disilicate, monolithic, feather edge, minimally invasive, all-ceramic, adhesion, full crown, preparation design

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