Adjustable oral tooth protector

The utility model discloses an adjustable oral tooth protector. A tooth socket which is matched with the shape of the teeth is formed in the tooth protector; the tooth socket is a U-shaped socket enclosed by a baseplate of the protector and two retaining walls; the protector is assembled by a left protector and a right protector; a groove is formed in the end for assembly of one protector; a convex which is inserted in the groove to assemble the two protectors is arranged on the corresponding end surface of the other protector; the whole length of the protector can be adjusted by adjusting the length of the convex inserting in the groove; clamping teeth and a clamping groove are arranged between the convex and the groove to realize mutual positioning of the two protector; during stretching adjustment, the stretching part can also protect the teeth. The oral tooth protector is simple in structure; normal functions of a tooth protector can be performed; length of the protector can be adjusted; applicability of