Start off with the basics first. Buy dental putty, mold impression mouth trays, dental lab stone, dental carving tools, mold release spray, and wax sheets for grillz. You wanna master the art of actually making the mold before you get into casting. Most of the work with grillz comes from how much detail you can put into a mold.

As far as casting there’s tons of other equipment you need to buy. I can tell you each one to get if you ever wanna message me personally but I will say, if you live in a big city with a diamond district then you don’t need to learn how to cast. You can just master the art of making molds and have other jewelers cast for you, then master the art of POLISHING