New generations of spacecraft data handling systems: Less harness , more reliability

The method of treating teeth for the removal of dental plaque and/or dental calculus from said teeth, and the prevention of the formation thereof thereon. The method involves contacting the teeth with a sufficient and effective amount to achieve such purpose of a mouthwash. The mouthwash is a liquefied composition of an effective amount of a non-necrotic fatty acid compound prepared from an unsubstituted, unsaturated fatty acid having at least one double bond, a liquid carrier, an effective amount of a buffering agent and an effective amount of ethanol. The pH of the liquefied composition is between 8 and 11. The preferred mouthwash contains about 5 percent of sodium oleate, about 1.5 percent of ethanol, enough disodium hydrogen phosphate to adjust the pH to about 9.8 and the remainder water.