How much money is a mouth grill?

It's impossible to give you an exact price for a "mouth grill" without knowing what you're asking about. "Mouth grill" could refer to a few different things:

* Dental Grillz: These are custom-made, decorative pieces of jewelry that are attached to teeth. The price of grillz can vary greatly depending on the materials used (gold, silver, platinum, etc.), the size and complexity of the design, and the jeweler's fees. You can expect to pay anywhere from a few hundred dollars to several thousand dollars for a set of grillz.

* Medical Devices: If you are referring to a medical device that is used in the mouth, such as a denture or a retainer, the price will depend on the specific device and the materials used.

* Other: There may be other meanings for "mouth grill" that I'm not aware of.

To get a more accurate estimate of the cost, please provide more details about what you are looking for.