This research aimed to determine the water content, density, and organoleptic qualities of orthodox black tea grade 1 and grade 2 from January to May 2023 at the PTPN VII Unit Pagar Alam. The study used experimental methods by analyzing the water levels, densities, and quality of the organoleptic properties of orthodox black teas grade 1 consisting of BOP, BPOPF, PF, DUST, BP, BT, and grade 2, …
Hybrid composite resin as a tooth colour restoration material would interact with oral fluid. Indonesian people drink tea daily . The aim of this study was to recognize the influence of various black tea concentration to the color change of hybrid composite resin. Twenty five disc specimens (lOmm in diameter and lmm in thickness) were made of hybrid composite resin (DiaFil™). The specimens we…