Define a dental bite plate please?

Dental appliance: It is a dental appliance usually designed to prevent the teeth from coming together. Used to treat bruxism (grinding) or TMJ problems.

It moves back teeth : Typically a bite plate, a removable retainer-like dental appliance, is designed with a platform behind the upper front teeth to prevent back teeth from meeting. It is helpful in reestablishing normal vertical dimension prior to replacing missing teeth.

Many kinds: It is a piece of acrylic that goes between the teeth. There are over 100 different designs and they have different purposes depending upon the design.

OrthodonticAppliance: made from a hard acrylic and is designed to correct a deep bite. Depending on the amount of correction needed, the bite plate may be worn for 4 to 8 months. Hope it helps.