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KS2 Oral Hygiene

In this section students explore how to prevent dental decay (caries). Students will look at the sugar in their own diets and the amount of sugar contained in common drinks. They are introduced to looking after their teeth and mouths to keep them healthy and prevent infection.

Last Updated: 17 November 2020 Medium English Acid, Bacteria, Caries, Dentine, Disease, Enamel, Fluoride, Hygiene, Plaque, Sugar, Teeth
  • Overview

What will you learn:

This lesson on Oral Hygiene explores how to prevent dental caries (tooth decay) by demonstrating the importance of limiting sugar intake and brushing teeth twice a day with fluoride toothpaste.

Activities include:

  • Health diet diaries that facilitate learning on how "sugar attacks" are affecting students' teeth.
  • A sugary drinks exercise where students measure and compare the amount of sugar in beverages they commonly consume.
  • A "Brushing diary" exercise that facilitate discussion around a tooth brushing as well as other messages around successful oral hygiene.

Learning Objectives:

  • Understand what dental plaque is and how it forms.
  • Understand which foods and drinks cause tooth decay.
  • Understand the consequences of tooth decay.
  • Understand how to brush teeth effectively.
  • Understand that limiting sugary foods & drinks can reduce tooth decay.


  • Empty Drinks Bottles
  • Tea Spoon
  • Self-Sealing Bag
  • Sugar
  • Colouring Pens
  • Scissors
  • Glue
  • Paper
  • Blue and red stickers

Curriculum Links:

  • Science: Working Scientifically, Living things and their habitats, Animals including humans
  • English: Reading & Comprehension
  • RSHE: Health & Prevention
  • Mathematics: Measurement
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