The dental nightguard – this little-known, cost-effective appliance can help with a range of symptoms that you may be experiencing. Many questions come to mind when considering making an investment. What is a dental night guard?  What does it treat?  Should I consider wearing a dental nightguard? Is my mouth pain or jaw pain something that would be helped by a nightguard? What should you know prior to having one made?  Explore answers to a few of your most important questions.