Catalogue of dental materials, furniture, instruments, etc. (1867)
S.S. White Dental Manufacturing Company (Philadelphia, Pa.) · Lippincott's Press, Philadelphia · leaf 51
No. 24—Upper Molar, for either side. … No. 20—Upper Molar, right and left, cow horn, which, with No. 16,makes an invaluable set for the extraction of Molar Rootswhen the crowns are decayed below the process.
Dental instruments and apparatus
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