Dental Dictionary
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N
Nerve
Commonly used to refer to the tooth pulp, which is the sensitive innermost portion of a tooth.
Night Guard
A removable acrylic device used to minimize the effects of grinding the teeth (bruxism) or joint problems (TMJ). It is usually worn at night to prevent the grinding of teeth or relieve joint pain. Also known as an occlusal guard.
Nitrous Oxide
A controlled mixture of nitrogen and oxygen gases (N2O) that is inhaled by the patient to reduce anxiety and decrease sensitivity to pain. Also referred to as laughing gas.
Novocaine
A generic name for the many kinds of local anesthetics, such as Xylocaine, Lidocaine and Novocaine, that are used during certain dental procedures.