The time for orthodontic treatment lasts about 1 to 2 years. Because of the appliances of orthodontics, the environment of microorganism changes, which makes it difficult to keep oral health perfect. Individual oral hygiene as the main clean measure, is very important in this period. With proper individual oral hygiene, one can not only keep oral health, but also prevent oral diseases like gingivitis and this will be positive to orthodontic treatment. This review will discuss the influence of individual oral hygiene including physical clean measures and chemical ones, to gingivitis during the orthodontic treatment.
