Chat gpt contribution: In the context of dentistry, the term "Expansion - Rg/Ext % - 0.30 mm" likely refers to a measurement or specification related to dental materials or procedures. Here's a breakdown of what each part might mean: Expansion : This typically refers to the change in volume or size of a material. In dentistry, expansion can be important for materials like dental impressions, restorative materials, or cements, as they need to fit precisely in the mouth. Rg/Ext % : This could stand for "Regular/Extension Percentage," although the exact meaning might vary depending on the specific context or manufacturer. It might refer to the percentage change or expansion rate of a material under certain conditions. 0.30 mm : This is a specific measurement, indicating the amount of expansion. In this case, it suggests that the material expands by 0.30 millimeters.
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