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Logitech microphone. Acer desktop computer. Praat software (Paul and David, 2009; version 5.0.37) Speaker/ headphone. Protractor. Metallic scale. Paint brush. Materials. Alginate impression material (Velplast ISO 1563:1990/ADA 18/BS 426) ADA type III dental stone (Kalstone, Kalabhai Karsons Pvt Ltd, India) Modelling wax[Surana, India] Teeth set ... ................
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