Glass Ionomer Cement

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by Dr Marcelle Girgis, Prevent Dental, North Ryde, NSW

During my 20-plus-year career, I have found that GIC is an essential tool in my practice. I would be lost without it.

What’s good about it

I use GIC because it works well in wet conditions, attaches firmly and has beneficial healing properties. For fillings or fissure seals in children, GIC is quick and secure. It’s great for reparative treatment of large cavities. It’s easy to apply, remineralises dentine and may assist in preventing irreversible pulpitis. The slow fluoride release also assists in healing.

For large restorations, I use GIC alone or in combination with composite resin. I position the GIC near the gingival area and composite resin occlusally.

GIC has surprising longevity as a restorative material. I have had two class-2 fillings in my mouth for 15 years, even though they were originally intended to be temporaries.

In a full mouth reconstruction where the vertical height needs to be assessed and restored, I have replaced old deteriorated fillings with GIC. This allows time for the bite to settle. I can then proceed to the next stage of treatment using expensive restorations without the need to remove the GIC.

A significant clinical technique that I have relied on is GIC in combination with the ParaPost System. I have had 100 per cent success using GIC as a luting agent for the ParaPost and as the core/filling material.

What’s not so good

About 15 years ago, I was part of a study group using a luting GIC liquid/powder combination that produced the strongest GIC filling material I have ever come across. Unfortunately, the original formula was modified and I haven’t been able to find a GIC that compares since. It would be great if the original formula were reintroduced.

Where did you get it

Henry Schein Halas

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