Dentistry | MCQs

Explanation

Dentists use concave mirrors to illuminate inaccessible places in the tooth.

The concave shape of the mirror allows it to reflect light and images from small, hard-to-reach areas.

Such as the back of the mouth or between teeth.

Explanation

Teeth perform two main functions:

• Chewing (breaking down food into smaller pieces).
• Grinding (crushing and pulverizing food).

Explanation

Permanent teeth are also known as:

• Adult teeth
• Secondary teeth

Explanation

Primary teeth are also known as:

• Baby teeth
• Milky teeth
• Deciduous teeth

Explanation

• Humans have 20 primary teeth (also known as deciduous or baby teeth).
• 32 permanent teeth (also known as adult teeth).

Explanation

• Incisor teeth are responsible for biting and cutting food into smaller pieces, making it easier to chew and swallow.
• They are located in the front of the mouth and are designed for cutting and snipping.

Explanation

• The Canines are pointed teeth that are adapted for tearing and slashing.
• They are designed for piercing and tearing flesh, making them ideal for eating meat and other tough foods.

Explanation

• Canines, also known as cuspids, are pointed teeth used for ripping and tearing food.
• They are located on either side of the incisors.
• It are designed for piercing and tearing flesh, making them ideal for eating meat and other tough foods.

Explanation

• Teeth are similar to bone and contain a mineralized matrix called Enamel.
• It is the hard, outer layer of teeth that protects them from decay and damage.

Explanation

Teeth are responsible for biting, chewing, crushing, and grinding food into smaller pieces, making it easier to swallow and digest.