Bruxism (MDMA, ecstasy) has been reported to be associated with bruxism, which occurs immediately after taking the drug and for several days afterwards. Tooth wear in people who take ecstasy is also frequently much more severe than in people with bruxism not associated with ecstasy. Occlusion is defined most simply as "contacts between teeth", and is the meeting of teeth during biting and chewing. The term does not imply any disease. Malocclusion is a medical term referring to less than ideal positioning of the upper teeth relative to the lower teeth, which can occur both when the upper jaw is ideally
The Grinding Wheel has received generally positive reviews from critics. Blabbermouth.net writer Ray Van Horn Jr. gave the album a rating of nine-and-a-half out of ten, and said, "If you think Overkill expended its tanks producing output with such astonishing velocity, you don't know this band very well. For its eighteenth album, "The Grinding Wheel", Overkill does the unthinkable: it outdoes itself. Consider that some fans dropped off after 1991's "Horrorscope", which is those poor saps' folly. For the diehard wrecking crew, "The Grinding Wheel" is going to be a gift to cling to throughout 2017." He finished his review, saying that the