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X-ray diffraction study of crystalline phases of calcium sulphate in alginate impression materials
V Anastassiadou1, V Dolopoulou, A Kaloyannides
1Department of Pemovable Prosthodontics, Faculty of Dentistry, Aristotelian University of Thessaloniki, Greece.
European Journal of Oral Sciences
|October 1, 1996
Abstract:
In the present study the crystalline phases of calcium sulphate present in various commercially available alginate impression materials were identified by means of x-ray diffraction. The diffractograms obtained indicated that the predominant crystalline phase in most materials was calcium sulphate dihydrate and confirmed the presence of calcium sulphate hemihydrate in some products.