Influence of Different Beverages on the Color Stability of Nanocomposite Denture Base Materials

Table 3

Beverage preparation protocol.

Beverage	Brand name	Preparation	Immersion time	Temperature (°C)
Coffee	Abu Auf (Sama Trading Co., Egypt)	2 g of coffee was dissolved in 200 ml of distilled boiling water for 2 minutes then filtered to remove the dust	Six days	37
Tea	Lipton (yellow label tea, Lipton Co., Egypt)	2 g of tea was dissolved in 200 ml of distilled boiling water for 2 minutes then filtered to remove the dust
Cola	Pepsi (Coca-Cola Co., Egypt)	Ready-made
Water	Dasani Coca-Cola Bottling Co., Egypt	Ready-made