RESUMEN
This review covers the actual thinking on the use and efectiveness of the various chemotherapeutics agents in controlling the bacterial plaque and the treatment of the periodontal disease. The more used antibacterial agents are: Phenolic related oils (Listerine), whith a bacterial plaque reduction ranged from 20 to 34 por ciento and gingivitis reduction from 28 to 34 por ciento Triclosan 0.3 por ciento and zinc citrate 0.5 por ciento have demostrated a significant reduction in plaque and gingivitis. Clorhexidine gluconate, the most widely used of this class of boad-spectrum antiseptics, has demostrated a plaque reduction of a 50 to 55 por ciento and reduction of gingivitis of about 45 por ciento. Due to the fact that periodontal diseases are bacterial infections, the antibiotics administrated by general or local way are a very good form of treatment