An occlusal splint (or “night guard”) is a removable appliance that is worn during the night (while you sleep) to protect your teeth from nocturnal clenching or grinding.
Long term clenching or grinding can lead to wear and tear of your teeth, and if left for long enough, lead to cracked teeth.
Cracked teeth in turn can lead to costly dental procedures such as root canal treatment and crowns.
In some severe cases, cracked teeth can lead to tooth removal, which means the remaining teeth are taking even more forces during clenching or grinding.
An occlusal splint or night guard is worn at night and decreases the amount of pressure placed on your teeth, and protects your teeth from further long-term damage.