smartguard elite dental guard (2 guards) + storage case & 2 months of cleaning crystals – tmj dentist designed night guard for clenching & grinding. made in usa smartguard if you have been frustrated with wearing guards that cover the back teeth which can increase clenching and cause more pain, or because you grind through them, then the smartguard elite is a great solution as it doesn't allow your back teeth to touch anything therefore you can't grind on them, saving your teeth and protecting them. you can't grind through the smartguard as clenching forces are reduced which also reduces any symptoms that you may have from clenching and grinding. the women's choice award organization has awarded smartguard as "america's most recommended dental night guard".