Over-the-counter mouth guards may look like they're an inexpensive solution. But they do not provide any level of protection or comfort as a custom night guard. In order to provide maximum protection against tooth grinding and jaw clenching, a dentist designs a nightguard is to fit your unique mouth. In addition, a dental night guard from a dentist has highly quality materials that are reliable and endure for many years. This will provide you with an excellent investment in your oral health.