Best way to deal with bruxism (gurning) when taking mdma? any tips?

Protection: Make sure you are using a professionally made nightguard.

Bruxism: is tooth grinding, or clenching during sleep plus one of the following: tooth wear, sounds or jaw muscle discomfort in the absence of medical disorder. See an orofacial pain specialist for evaluation. They are the experts in facial pain, headaches, bruxism and TMJ. Take care.

TMJ/TMD Dr.: A mouthpiece is one piece of the puzzle as far as treating bruxism, but attempting to get to the source of the bruxism should be the number one priority. People grinding/clench their teeth for many reasons. A thorough history and exam are imperative.