Specifically: 1  Toothpaste contains abrasives which physically scrub away plaque. 2  Toothpaste delivers fluoride to the teeth. 3  Some toothpastes contain ingredients which chemically hinder the growth of plaque bacteria.
About IILA. International Institute of Los Angeles was founded in 1914 to help newly arrived immigrants integrate into their new lives in Los Angeles. Throughout the years IILA has helped hundreds of thousands of immigrants and other low-income people overcome the barriers they face in becoming contributing members of society.
An institute is  an organisational body created for a certain purpose. Often they are research organisations (research institutions) created to do research on specific topics. An institute can also be a professional body, or one involved in adult education, see Mechanics' Institutes. In some countries institutes can be part of a university or other institutions of higher education, either as a group of departments or an autonomous educational institution without a traditional university status such as a university Institute.