The mouth guard includes first and second side walls, first and second curved walls, and a central wall having a top and a bottom surface. The curved walls are connected to the sidewalls, such that they define a periphery of the mouth guard. The central wall extends between the first and second sidewalls, and the first and second curved walls. The mouth guard includes top and bottom channels for receiving a patients upper and lower teeth, respectively. First and second protrusions extend from the top surface of the central wall, and a first tube channel is formed between the first and second protrusions. A second tube channel is formed in the central wall and is connected with the first tube channel. An opening is formed in the curved walls and is in communication with the second tube channel. The first and second channels, and the opening receive an intubation tube.