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      Comparing toothpaste (non-statutory)

      Lesson details

      Learning outcome

      I can describe the function of toothpaste and compare different ingredients used to make it.

      Key learning points

      1. Toothpaste is a key part of your daily hygiene routine. It helps to remove food and plaque from your teeth and gums.
      2. Different diets and lifestyle choices, like eating sugary foods and smoking, can affect tooth health.
      3. Scientists from the past developed toothbrushes and toothpaste to help reduce tooth decay.
      4. Different toothpaste contains different ingredients to support healthy teeth and gums.
      5. Scientists test different ingredients in toothpaste to compare how effective they are.

      Keywords

      • Function - The task that something has is its function.

      • Toothpaste - Toothpaste is a thick, soft, moist substance used on a brush for cleaning one's teeth.

      • Plaque - Plaque is a sticky substance that forms a coating on your teeth and gums.

      • Abrasive - Abrasive materials have a rough surface, they are often used for polishing or grinding other materials.

      • Ingredient - An ingredient is one of the parts in a mixture.

      Common misconception

      Children may believe all toothpastes are the same.

      By investigating the effectiveness of a variety of toothpastes, children will realise there are a range of different toothpastes for different jobs.

      Teacher tip

      Use a variety of toothpastes - children, whitening, sensitive and fluoride.

      Equipment

      See additional materials for guidance

      Content guidance

      Depiction or discussion of sensitive content

      Risk assessment required - equipment

      Supervision

      Adult supervision required

      Licence

      This content is © Oak National Academy Limited (2026), licensed on Open Government Licence version 3.0
      except where otherwise stated. See Oak's terms & conditions
      (Collection 2).

      Lesson video

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      Prior knowledge starter quiz

      6 Questions

      Q1.
      Which of these things help to keep your teeth and gums healthy?

      screwdriver
      Correct answer: toothbrush
      Correct answer: fluoride toothpaste
      sweeping brush
      Correct answer: dental floss

      Q2.
      To keep your teeth and gums healthy, you need to brush your teeth at least a day.

      Correct Answer: twice, two times, two, 2

      Q3.
      What name is given to the sticky substance that forms a coating on your teeth and gums.

      Correct Answer: plaque

      Q4.
      What is the surface of the tooth called that can be damaged by the sugary food we eat?

      root
      gum
      Correct answer: enamel
      jaw
      plaque

      Q5.
      What can happen to your teeth if you consume too many sugary foods and drinks?

      They grow larger.
      They grow smaller.
      Teeth will get whiter and stronger.
      Correct answer: Teeth can decay and fall out or need to be removed.

      Q6.
      What does this graph about sugar in drinks show?

      An image in a quiz
      Cordial is the healthiest drink.
      There is no sugar in orange juice and diet cola.
      Correct answer: There is no sugar in water and diet cola.
      Correct answer: Cola contains the most amount of sugar.
      Different drinks weigh different amounts in grams.

      6 Questions

      Q1.
      Which of these things is a function of toothpaste?

      Helps you to smile.
      Helps to create cavities.
      Correct answer: Helps your breath to stay fresh.
      Correct answer: Helps to remove food and plaque when brushing.
      Helps to make teeth decay quicker.

      Q2.
      Toothpaste is a key part of your __________ routine.

      hourly
      Correct answer: daily
      monthly
      yearly

      Q3.
      Which of these foods and drinks in your diet will damage your teeth the most?

      Correct answer: cake
      salad
      water
      Correct answer: sugary drink

      Q4.
      can damage teeth by causing yellow stains on the surface of the teeth. This may need a special toothpaste to remove.

      brushing teeth
      hand washing
      exercise
      Correct answer: smoking

      Q5.
      What did scientists from the past develop to help reduce tooth decay?

      false teeth
      sugary food
      Correct answer: toothbrushes
      hairbrushes
      Correct answer: toothpaste

      Q6.
      Scientists test different in toothpaste, such as fluoride and flavourings, to compare how effective they are.

      Correct Answer: ingredients, ingredient, materials

      To help you plan your 4 science lesson on: Comparing toothpaste (non-statutory), download all teaching resources for free and adapt to suit your pupils' needs...