Find Your Perfect Fit - Comfortable and Biocompatible Zinc Phosphate Cement Dental Filling by THE bio LTD. Features: because of its strength and longevity, it is a dependable solution for filling cavities in teeth. provides enough thermal insulation, which can aid in the prevention of sensitivity to hot and cold temperatures in the affected tooth. adheres well to the tooth structure, resulting in a tight seal easy to work with as it fills cavities rapidly and effortlessly fillings’ shade can be matched to the color of the existing teeth