INTRODUCTION: Glass ionomer cement is the most commonly used dental restorative material. Recently, Zirconia reinforced restorative material, a safe alternative to glass ionomer cement was developed. Color sustainability of restorative materials is imperative for the success of the treatment. Many studies have evaluated the effects of cola on the color stability of restorative materials; however, the effects of lemon and grape juice have not been reported. The aim of the present study was to analysecolour stability of zirconomer and GIC before and after immersion in fruit juices such as grape and lemon juice