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THE VARIETY of mouth gags to be found in the average operating room would seem to be mute evidence that none of these gags is entirely satisfactory. The frequency with which teeth are dislodged during the course of tonsillectomy has been, next to bleeding, one of the most frequent hazards encountered in this operation. In children the baby teeth are on the point of falling out about the time that tonsillectomy is usually performed. In older children the adult incisors are not yet well rooted and so are not always equal to the strain thrown on them. In adults the presence of capped or pivot teeth creates a similar problem.
All of the mouth gags in use at the present time depend for their upper point of contact on the incisor teeth. Some even contact the two front incisors. The Davis gag, which seems to be most popular, may in
MCIVOR RJ. A NEW ATRAUMATIC MOUTH GAG. Arch Otolaryngol. 1947;45(3):364–365. doi:10.1001/archotol.1947.00690010375015
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