摘要 |
The method of impregnating and the apparatus for impregnating a thin cord with a medicinal solution with the cord to be used in the dental field as an appliance for gingival retraction in conjunction with the teeth of a human being. The cord is immersed in a bath of the medicinal solution, moved from the bath to a squeezing roller assembly so that the medicinal solution evenly permeates the cord, removing excess solution, drying the cord and winding the cord on a wind-up reel prior to being dispensed to the consumer.
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