CDT Dental Anatomy & Morphology Understanding

Question 1

What is the function of enamel in teeth?

Accepted Answer

To protect the tooth from decay

Answer

Enamel is the hardest substance in the human body and forms the outermost protective layer of the tooth crown. Its primary function is to provide a durable barrier against physical wear, chemical attacks from acids, and bacterial invasion. This robust protection is vital for preventing tooth decay and maintaining the structural integrity of the tooth over time.

Question 2

Which tooth type is designed for cutting food?

Accepted Answer

Incisors

Answer

Incisors are the eight front teeth, characterized by their sharp, chisel-shaped crowns. Their design is specifically adapted for biting into and cutting food into smaller, manageable pieces. This initial mechanical breakdown of food is a crucial step in the digestive process.

Question 3

What is the role of the pulp in a tooth?

Accepted Answer

It provides sensory function and nourishment

Answer

The pulp is the innermost part of the tooth, containing blood vessels, nerves, and connective tissue. It is responsible for providing essential nutrients to the dentin and for the tooth's sensory functions, allowing it to detect sensations like hot, cold, and pain. The pulp also plays a vital role in forming dentin throughout the tooth's life.

Question 4

Which teeth are primarily responsible for grinding food?

Accepted Answer

Molars

Answer

Molars are the large, flat teeth located at the back of the mouth, distinguished by their broad chewing surfaces and multiple cusps. Their robust structure and wide occlusal tables are perfectly adapted for crushing and grinding food into a fine paste. This makes them essential for the final stages of mastication, facilitating digestion.

Question 5

What is the name of the tissue that covers the root of a tooth?

Accepted Answer

Cementum

Answer

Cementum is a specialized calcified tissue that covers the anatomical root of a tooth. Its main function is to provide an attachment surface for the periodontal ligament fibers. These fibers, in turn, anchor the tooth securely to the alveolar bone, ensuring its stability within the jaw.

(CDT) Certified Dental Technicians Practice Test

(CDT) Certified Dental Technicians Practice Test

CDT Dental Anatomy & Morphology Understanding