https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14003619Edit ImageSaveSaveEditCropCustom TextA dentist asking a nervous patient would she like gas, she retorts no she doesn't want him poking around in the dark. Process print after T. Sarg.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 804 x 1200 px | 300 dpiLarge JPEG 2274 x 3396 px | 300 dpiFree DownloadA dentist asking a nervous patient would she like gas, she retorts no she doesn't want him poking around in the dark. Process print after T. Sarg.More