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Toothache and Trauma: A History of the Toothkey

    Key with Split Shaft

    When placed over the tooth, the key claw often required adjustment and securing by the practitioner’s finger. As reported in 1830, this procedure, by “greatly interfering with the sight, often compels him, after placing the instrument, to finish the extraction in the dark, trusting to the accuracy and continuance of his first position. In many cases, when the pressure has commenced, the relative position of the claw, fulcrum, and tooth is very different from what the operator would have wished or risked, had his sight been uninterrupted.” In the early to mid 1800s, various key modifications were made in attempts to avoid such “blind faith” operations.

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