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NSAID: non steroidal anti-inflammatory drug, often
used as a dental analgesic
Nerve: tissue that conveys sensation, temperature,
position information to the brain
Nerve (root) canal: dental pulp; the
internal chamber of a tooth
Night guard: acrylic appliance used to prevent
wear and temporomandibular damage caused by grinding or gnashing of the teeth during sleep
Nitrous oxide: a gas used to reduce patient anxiety
Novocain: older
brand name for a local anesthetic, currently replaced by safer, more effective agents
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