Early Years: Oral Hygiene This lesson supports children to learn how to brush their teeth and to understand that we brush our teeth at least twice a day to avoid tooth decay. Scroll down to find out more and to download the resources. Download the complete lesson Understand how to brush their own teeth effectively Understand why it is important to brush our teeth Understand the link between sugar and tooth decay Dental health is extremely important; over 23% of children in England have tooth decay and it...