Care of the mouth and teeth; a primer of oral hygiene . These photographs of various tooth brushes were obtained by permission o£ TheConsohdated Dental Manufacturing Company, New York, through the courtesyof Dr. R. Ottolengui, Editor of Dental Items of Interest, in which Journal theywere originally

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Keywords: ., bookcentury1900, bookdecade1910, booksubje, booksubjectdentalcare