Auxiliary mouth gag for orthodontics

Abstract

The utility model discloses an auxiliary mouth gag for orthodontics. The auxiliary mouth gag comprises a distance adjusting mechanism and an oral cavity opening group arranged on the distance adjusting mechanism, the oral cavity opening group comprises an upper oral cavity opening plate and a lower oral cavity opening plate which are oppositely arranged up and down; by means of the threaded fit of the screw and the nut and the design that the side sliding block slides on the side rail of the vertical guide frame, accurate distance adjustment can be achieved, and the oral cavity opening requirements of different patients are met.

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