Anatomy and Physiology of Teeth: Dr. Omar Mansour PHCO1403

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What is the primary function of the enamel in a tooth?

Protecting the tooth from acids, bacteria, and physical damage (correct)

Producing saliva for digestion

Supporting the surrounding gums

Anchoring the tooth to the jawbone

How many species of bacteria are normal to find in healthy sites of the human oral cavity?

Approximately 50 (correct)

Less than 20

Varies greatly among individuals

Over 100

At what age do permanent teeth start to appear, replacing the original deciduous 'milk' teeth?

4

8

6 (correct)

10

Which substance is primarily composed of hydroxyapatite and serves as the outermost layer of the tooth?

Enamel Signup and view all the answers

What are the three major parts that make up a tooth?

Crown, Root, Neck Signup and view all the answers

Which dental tissue is softer than enamel but harder than pulp?

Dentin Signup and view all the answers

What is the main cause of cavities and gum disease?

Plaque Signup and view all the answers

What can tooth sensitivity be caused by?

Worn tooth enamel, gum recession, and dental procedures Signup and view all the answers

What is the major cause of tooth loss among adults?

Gum disease Signup and view all the answers

What can cause tooth discoloration or stains?

Intrinsic and extrinsic factors Signup and view all the answers

Anatomy and Physiology of Teeth: Dr. Omar Mansour PHCO1403

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Questions and Answers

What is the primary function of the enamel in a tooth?

How many species of bacteria are normal to find in healthy sites of the human oral cavity?

At what age do permanent teeth start to appear, replacing the original deciduous 'milk' teeth?

Which substance is primarily composed of hydroxyapatite and serves as the outermost layer of the tooth?

What are the three major parts that make up a tooth?

Which dental tissue is softer than enamel but harder than pulp?

What is the main cause of cavities and gum disease?

What can tooth sensitivity be caused by?

What is the major cause of tooth loss among adults?

What can cause tooth discoloration or stains?

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