The essential oil of Eucalyptus oil is rich in 1,8-cineole (eucalyptol), which is an effective antiseptic that eradicates bacteria and other harmful microbes that can cause bad breath and other oral problems.
It is also said that the antibacterial effect of this oil assists in fighting against periodontopathic bacteria and cariogenic bacteria, which is responsible for causing decay of tooth.
A 2008 study on ‘Effect of eucalyptus extract chewing gum on periodontal health: a double-masked, randomized trial.’ By the Department of Preventive Dentistry, Osaka, Japan witnessed the effectiveness of Eucalyptus oil by stating that “Eucalyptus extract chewing gum had a significant effect on Plaque accumulation (PLA), gingival index (GI), bleeding on probing (BOP), periodontal probing depth (PD). The use of eucalyptus extract chewing gum may promote periodontal health.”
The best way to used Eucalyptus oil for combating germs and bacteria causing oral problems is to add 1 drop of this oil in a cup of water and use it as a gargle twice a day. This is the major cause for the use of Eucalyptus formula in various mouthwashes and other oral cleansers to fight cavity, gingivitis, halitosis and plaque.