| 摘要 |
The present invention is directed to the use of antibiotics for preparing topical oral antibiotic formulations for treating and/or preventing black-line stains. This invention is further directed to a method of treating and/or preventing black-line stains comprising administration of a topical oral antibiotic formulation. The invention is additionally directed to a topical oral antibiotic formulation for use in treating and/or preventing black-line stains. |
