Tooth Anatomy Part 1

Multiple Choice

Which of the following terms refers to the soft tissue that surrounds the base of the teeth?

• Gingiva

• Dentin

• Cementum

• Alveolar Bone

Multiple Choice

What is the primary function of the periodontal ligament?

• To cover the crown of the tooth

• To connect the tooth root to the socket

• To form the bulk of the tooth

• To supply blood to the tooth

Fill in the Blank

The tip of the root of a tooth, through which nerves and blood vessels travel, is called the ___.

Multiple Choice

Which of the following is NOT one of the four major parts of a tooth?

• Enamel

• Dentin

• Cementum

• Gingiva

Multiple Select

Which of the following statements about enamel are correct?

• It is the hardest tissue in the body.

• It has no blood supply.

• It is a living tissue that continues to grow.

• It protects the tooth from mechanical, chemical, and thermal damage.

Multiple Choice

Which type of dentin is formed in response to injury or irritation and is darker in color with no nerve fibers?

• Primary dentin

• Secondary dentin

• Tertiary dentin

• Pulp dentin

Fill in the Blank

The center of a tooth that is rich with blood vessels and nerves is called the ___.

Multiple Select

Which of the following are components of the periodontium?

• Cementum

• Pulp chamber

• Periodontal ligament

• Alveolar bone

Multiple Choice

What is the main function of cementum in the tooth structure?

• To sense pain

• To anchor the periodontal ligament to the alveolar bone

• To produce dentin

• To supply nutrients to the pulp

Multiple Choice

Which of the following statements best describes the function of the alveolar bone?

• It produces saliva to aid in digestion.

• It surrounds and supports the teeth, providing a thick and dense structure.

• It is responsible for tooth enamel formation.

• It is a soft tissue covering the tooth root.

Multiple Select

Which of the following are regions of the gingiva?

• Free gingiva

• Attached gingiva

• Interdental gingiva

• Periodontal ligament

Fill in the Blank

The normal depth of the gingival sulcus in dogs is ___ mm.

Multiple Choice

Which of the following statements best describes aradicular hypsodont teeth?

• They have true roots and stop growing later in life.

• They lack true roots and never stop growing.

• They are only found in humans.

• They are only present in carnivores.

Multiple Choice

What is the most common retained deciduous tooth in dogs?

• Incisor

• Premolar

• Canine

• Molar

Fill in the Blank

Deciduous teeth in most mammals start to be lost at around ___ months of age.

Open Ended

How does the number of deciduous and permanent teeth differ between cats and dogs?

Open Ended

What is one new dental anatomy term you learned today that you would like to know more about?

Match

Match the classification to the animal

• Dogs & cats

• Rabbits & horses

• Mice

Diphyodonts & brachyodonts

Diphyodonts & hypsodonts

Monophyodonts & hypsodonts

• Diphyodonts & brachyodonts

• Diphyodonts & hypsodonts

• Monophyodonts & hypsodonts

Multiple Choice

Which term refers to the part of the tooth that is visible above the gum line?

• Crown

• Apex

• Cementum

• Sulcus