Histology Final Exam

Front 1

1. Principal fibers of the periodontal ligament have their ends embedded in ___________________________ and _________________________.

Back 1

Cementum and lamina dura

Front 2

2. The ____________________________ protects the crown after the enamel has formed but before the tooth has erupted.

Back 2

Reduced enamel epithelium

Front 3

3. The gingiva that can be found between teeth is known as __________________________.

Back 3

Col

Front 4

The ventral surface of the tongue is covered by __________________________________ epithelium.

Back 4

Stratified squamous non keratinized

Front 5

5. The cells that are responsible for resorption of bone are known as _____________________.

Back 5

Osteoclasts

Front 6

6. Maintenance of contact of the crowns of adjacent teeth is accomplished by the _____________________________.

Back 6

Transseptal fibers

Front 7

7. Hard palate has its surface covered by __________________________________________.

Back 7

Masticatory Mucosa

Front 8

Tongue papillae on the posterolateral sides of the tongue _________

Back 8

Foliate papillae

Front 9

Free gingiva is the gingiva above the level of the _____

Back 9

Alveolar crest

Front 10

A commonly used name for the lamina dura is the

Back 10

Alveolar bone proper

Front 11

The bone supporting the tooth is known as

Back 11

Alveolus

Front 12

A seal between the soft tissue and the tooth is achieved by

Back 12

Junctional epithelium

Front 13

The gingiva that is above the gingival groove is the

Back 13

Sulcular epithelium?

Front 14

A lack of teeth is a condition known as

Back 14

Adontia

Front 15

T F The presence of an erupting permanent tooth usually causes the root of the primary tooth to undergo resorption.

Back 15

T

Front 16

T F The temporomandibular disc is usually composed of dense fibrous connective tissue.

Back 16

T

Front 17

T F Acellular cementum covers the apical one third of the root of the tooth.

Back 17

F

Front 18

T F Fungiform papillae of the tongue may have taste buds

Back 18

T

Front 19

T F The lamina dura that is on the tension side of the tooth socket usually undergoes resorption.

Back 19

F?

Front 20

T F The alveolar mucosa and the mucosa on the floor of the mouth have a surface covering of stratified squamous non keratinized epithelium.

Back 20

T

Front 21

T F In a newly erupted tooth the functional crown and the anatomical crown are the same.

Back 21

T

Front 22

T F Lining mucosa includes the buccal mucosa and the soft palate

Back 22

T

Front 23

T F Osteoclasts are the cells responsible for formation of bone

Back 23

F

Front 24

T F The non mineralized matrix of bone is known as osteoid

Back 24

T

Front 25

T F The temporomandibular joint has two joint cavities.

Back 25

T

Front 26

T F Cementum is less resistant to resorption than the bone lining the socket

Back 26

F

Front 27

T F Sharpey's fibers in cementum are produced by cementoblasts.

Back 27

F (they are produced by fibroblast?)

Front 28

T F Permanent molars arise from a successional lamina that is lingual to the deciduous molars

Back 28

?

Front 29

T F The papillae in greatest numbers on the dorsal surface of the tongue are the foliate papillae

Back 29

F

Front 30

T F The cells that maintain bone after it has been formed are the osteocytes.

Back 30

T

Front 31

T F The vermillion zone is located between the labial mucosa and the skin

Back 31

T

Front 32

T F Undifferentiated mesenchymal cells can differentiate into osteoblasts.

Back 32

T

Front 33

T F All of the blood supply for the gingiva is from vessels in the periodontal ligament.

Back 33

F?

Front 34

This type of movement occurs in the superior TMJ space.

Back 34

Gliding

Front 35

This movement occurs in the inferior TMJ space.

Back 35

Hinge

Front 36

This gland is located posterior to the ramus of the mandibule and empties into the oral cavity via Stenson's duct.

Back 36

parotid

Front 37

This major salivary gland has many serous acini and some mucous acini and has Wharton's duct.

Back 37

Submandibular

Front 38

The dorsal surface of the tongue is covered with these structures.

Back 38

Filiform papillae

Front 39

This is between the temporal bone and the articular disc.

Back 39

Superior joint space

Front 40

These glands have ducts emptying into the moats around circumvallate papillae.

Back 40

Von Ebner

Front 41

These slit like structures contain taste buds and are on the posterior lateral margins of the body of the tongue.

Back 41

Foliate papillae

Front 42

This mixed secretion gland is mostly mucous and has several ducts.

Back 42

Sublingual

Front 43

You will find this between the condyle of the mandible and TMJ disc.

Back 43

Inferior joint space

Front 44

Contact between crowns.of adjacent teeth is accomplished by the

Back 44

transseptal fibers

Front 45

Condition where there is a lack of teeth is known as

Back 45

Anodontia

Front 46

Condition with fewer than normal teeth is known as

Back 46

Hypodontia

Front 47

T F Serous demilunes secrete an enzyme rich secretion.

Back 47

T

Front 48

T F Soft palate is classified as m~cticatorymucosa.

Back 48

F

Front 49

T F Attachment epithelium is stratified squamous keratinized.

Back 49

F