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Technique Tips: Glass ionomers in posterior teeth: a technique guide

From Volume 50, Issue 5, May 2023 | Pages 462-464


FJ Trevor Burke


Articles by FJ Trevor Burke

Louis Mackenzie

BDS, FDS RCPS FCGDent, Head Dental Officer, Denplan UK, Andover

General Dental Practitioner, Birmingham; Clinical Lecturer, University of Birmingham School of Dentistry, Birmingham, UK.

Articles by Louis Mackenzie

Peter Sands


Didcot, Oxfordshire

Articles by Peter Sands


Glass ionomer cements (GICs) have been available for use by clinicians for almost 50 years.1 Their beneficial properties, such as adhesion to tooth substance, have long been recognized, but early materials suffered from brittleness, lack of translucency, poor wear resistance and solubility in oral fluids and therefore were not suitable for use in loadbearing situations in posterior teeth. New, improved variants of GICs have become available in recent decades which overcome some of these difficulties. Results of latest research indicate that, under in clinical situations, such as Class I cavities and Class II cavities with limited interproximal box width,1 new GIC variants may provide successful restorations and other, recent publications have demonstrated that they are more costeffective than resin composite materials in an equivalent clinical situation.2 It is therefore the purpose of this article to suggest technique tips which may optimise the performance, in loadbearing situations in posterior teeth, of latest reinforced GICs and the glass hybrid materials which have developed from the reinforced GICs.

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