Cleaning and retreatment protocol for a debonded ceramic restoration
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Cleaning and retreatment protocol for a debonded ceramic restoration

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Cleaning and retreatment protocol for a debonded ceramic restoration

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Román Rodríguez, Juan Luis; Alonso Pérez Barquero, Jorge; Bruguera Alvarez, August; Agustín Panadero, Rubén; Fons Font, Antonio
This document is a artículoDate2015

Objectives: The aim of this article is to propose a resin cement cleaning protocol for use before recementing a debonded restoration. Study Design: Ceramic samples were fabricated from IPS d.sign® and IPS e.max Press® and were treated with hydrofluoric acid etching (HF), or HF+silane (S), or HF+S+adhesive or HF+S+A+resin cement. All samples were placed in a furnace at 650º for one minute in order to attempt to pyrolyze the composite. Each step was examined under scanning electron microscopy (SEM). Results: When the cleaning protocol had been performed, it left a clean and retentive surface. Conclusions: If the restoration is placed in a furnace at 650º for one minute, the composite cement will burn or pyrolyze and disappear, allowing conventional retreatment of the ceramic before rebonding.
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