1918 The Dental Digest Advertising Kolynos Toothpaste & Bridge Inlays D1 Original 1918 advertising page from The Dental Digest, approx. 5-1/2"x9". One side features promotional copy from The Kolynos Company of New Haven, Connecticut, emphasizing the everyday use of Kolynos toothpaste by the general public without medical supervision. The ad asserts that daily use educates users in oral cleanliness and the benefits of dental hygiene, while promoting the product as entirely beneficent. Reverse side advertises gold inlays for bridge attachments requiring independent support, with illustrations of Yirikian and Boos split tube fittings. The ad also notes Carmichael crowns as preferable for abutments and promotes the services of Sam’l G. Supplee & Co., 1 Union Square, New York, identifying them as "Solvers of Prosthetic Problems.
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