Oral Embryology and Histology

Question 1

The study of the structure and function of the tissues of the body at a microscopic level

Answer 1

Histology

Question 2

The three periods of prenatal development are known as

Answer 2

Preimplantation Period
Embryonic Period
Fetal Period

Question 3

The first signs of tooth development are found in the anterior mandibular region when the embryo is

Answer 3

5 to 6 weeks

Question 4

Developmental disturbances in any stages of dental development can be caused by a wide variety of anomalies, including

Answer 4

Genetic

Environmental factors

Question 5

Bone-forming cells that accomplish the process of deposition of lay down of new bone

Answer 5

Osteblasts

Question 6

The process of tooth development is called

Answer 6

odontogenesis

Question 7

The process of tooth development is called odontogenesis, which is divided into three primary periods,

Answer 7

• Growth
• Calcification
• Eruption

Question 8

Are cells important in enamel formation of the tooth.

Answer 8

Ameloblasts

Question 9

Permanent teeth that replace primary teeth are called

Answer 9

Succedaneous teeth

Question 10

Every tooth in the dentition consists of a _______ and ________.

Answer 10

• Crown

- one or more roots

Question 11

All teeth are made up of

Answer 11

• Enamel
• Dentin
• Cementum
• Pulp tissue

Question 12

Is the living tissue of the tooth

Answer 12

Pulp

Question 13

What is the functions of the pulp in a tooth?

Answer 13

• supply nutrients
• moisture to the tooth
• transmit pain stimuli
• provide a defense against bacterial invasion

Question 14

which tissue supports the teeth in the alveolar bone in the periodontium?

Answer 14

• Cementum
• Alveolar bone
• periodontal ligaments

Question 15

Are the embedded portions of the periodontal ligament that become mineralized and connect the cementum of the tooth to the alveolar bone of the socket

Answer 15

Sharpey’s Fibers

Question 16

Are the extensions of the bone from the body of the mandible and the maxilla that support the teeth in their functional positions in the jaws

Answer 16

Alveolar Processes

Question 17

The oral mucosa lines the oral cavity and is composed of

Answer 17

• lining mucosa
• Masticatory
• Specialized mucosa

Question 18

The soft texture, moist surface, and ability to stretch and compress are characteristics of

Answer 18

The lining Mucosa

Question 19

covers the inside of the cheeks, vestibule, lips, soft palate, and ventral surface of the tongue

Answer 19

Lining mucosa

Question 20

The tough, light pink keratinized tissue that covers the hard palate and includes the attached gingiva

Answer 20

Masticatory Mucosa

Question 21

the pulp is made up of

Answer 21

Blood vessels

nerves