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Gypsum Setting Expansion in Dentistry by محمد الخزرجي is a document available to read on EtoBox.

What is Gypsum Setting Expansion in Dentistry about?

Gypsum products undergo two types of setting expansion during the chemical reaction of hemihydrate transforming to dihydrate: normal and hygroscopic. Normal expansion results from the growth and entanglement of crystals during setting, while hygroscopic expansion doubles the expansion when setting occurs under water. The strength of gypsum products depends on factors like water-powder ratio, mixing time, drying period, and additives. Dental stone has higher compressive strength, hardness, and abrasion resis

Author

محمد الخزرجي

Language

EN