Mouthguards work by moving soft tissue in the oral cavity away from the teeth and into the upper jaw. This prevents laceration and bruising of the lips and cheeks
A) Both statements are true.
B) Both statements are false.
C) First statement is true, second statement is false.
D) First statement is false, second statement is true.
A
Explanation: A) Both statements are true. In addition, mouthguards act as a simple protectant to the teeth by preventing chipping, fracturing, displacement, and avulsion.
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