10K gold is the least expensive and strongest against bending, but tarnishes easier than other higher karat options. 14K gold is the best value for a consumer on a budget. It has medium hardness, very bright shine and durable. 18K gold is more expensive, has a very bright luster, very durable and doesn't tarnish easy. 24K pure gold being the most costly but unmatched color and shine and doesn't tarnish. Although, it is very soft and bends out of shape very easily.

We are more then happy to use your mold! This actually will speed up the process for getting your finished Grillz. We do recommend that if your mold impression is over 2 months old to redo a new one. As our teeth are continuously moving around any minor adjustments can cause your Grill not to fit.