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Syllabus

Human Body- Teeth — Syllabus

ICSE · Class 4 · Science

What Human Body- Teeth covers in ICSE Class 4 Science: 4 topics, for the 2026-27 session. Part of the ICSE Class 4 Science syllabus.

43 questions30 flashcards4 concepts

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4 Topics · ICSE Class 4 Science · 2026-27

Topics in Human Body- Teeth

1

When Do We Get Teeth?

  • Every baby is born with teeth hidden in the gums.
  • Milk teeth start appearing around 6 months of age. This is called teething.
  • By the age of 3 years, a child has 20 milk teeth.
2

Parts of a Tooth

  • A tooth has two main parts: Crown and Root.
  • Crown is the visible part above the gums.
  • Root is inside the gum and fixed in the jawbone.
3

Types of Teeth and Their Functions

  • There are four types of permanent teeth: Incisors, Canines, Premolars, and Molars.
  • Incisors (8 total): Front teeth with sharp edges for cutting food.
  • Canines (4 total): Pointed teeth beside incisors for tearing food.
4

Tooth Decay and Care of Teeth

  • Tooth decay happens when bacteria in the mouth eat sugar and produce acid.
  • This acid attacks the enamel and causes cavities (holes in teeth).
  • Dental plaque is a sticky film of bacteria that causes decay.

Key Concepts

Central concept: Teeth and Their Functions

Types of TeethParts of a ToothMilk and Permanent TeethTooth DecayCare of Teeth

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Frequently Asked Questions

What are the important topics in Human Body- Teeth for ICSE Class 4 Science?
Key topics in Human Body- Teeth include When Do We Get Teeth?, Parts of a Tooth, Types of Teeth and Their Functions, Tooth Decay and Care of Teeth. Study these first, then practise questions on each for Class 4 exams.
How should I revise Human Body- Teeth for Class 4 exams?
Learn the core ideas first, then work through the 43 practice questions on Human Body- Teeth. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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All ICSE Class 4 Science Syllabus

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