Clove Essential Oil's most prominent use is in dental care. Gargles with diluted clove oil heal in easing the throat. Clove oil helps in removing bad breath and is also effective against cavities. A mixture of warm clove oil and sesame oil is good remedy for earache. Clove oil induces sleep and is helpful to insomnia patients. It is useful in treating mental problems such as loss of memory, depression and anxiety.