Neck Pad: A neck pad is a cloth-covered cushion, which you wear around your neck when you put on your face bow. Generally, the breakaways are attached to the neck pad to provide force for the face bow.
Neuralgia: Paroxysmal pain radiating along the course of one or more nerves usually without demonstrable changes in the nerve itself.
Nickel Titanium: An especially strong orthodontic wire, which allows for rapid tooth movement.
Night Guard: A removable acrylic appliance to minimize the effects of grinding the teeth (bruxism) or joint problems (T.M.J.). Usually worn at night to prevent the grinding of teeth or relieve joint pain. Also known as an occlusal guard.
Non-Duplication Of Benefits: See limited C.O.B.