Unit 1

Question 2

Gingiva

Answer 2

Provides a tissue seal around the cervical portion of the tooth

Holds tissue against the tooth

THIRD THING

Question 3

Where is the MGJ?

Answer 3

Between attached gingiva and alveolar mucosa?

Question 4

What’s the difference between a sulcus and a pocket?

Answer 4

Sulcus is less than 4mm depth
Pocket is greater

Question 5

What is it called when the free gingiva meets the tooth in a thin rounded edge?

Answer 5

The gingival margin

Question 6

Where is the free gingiva?

Answer 6

Attached to tooth coronal to the CEJ

Can be gently pulled away with a probe

Question 7

What forms the base of the gingival sulcus?

Answer 7

The junctional epithelium

Question 8

What is the valley like depression oin the interdental gingiva that lies directly apical to the contact area?

Answer 8

The col space

Question 9

If teeth are missing where is the col space?

Answer 9

It does not exist

Question 10

Where is attached gingiva thickest?

Answer 10

SEE SLIDE

Question 11

What texture is associated with healthy gingiva?

Answer 11

Stippling

Question 12

What mineralized substance covers dentin in the root?

Answer 12

Cementum

Question 12

What gives attachment to collagen fibers of the perio ligament?

Answer 12

Sharpey’s fibers

Question 13

What is more resistant to resorption: bone or cementum?

Answer 13

Cementum

Question 14

Without _____ the tooth would fall out of its socket

Answer 14

Cementum

Question 15

What are the 5 functions of the PDL?

Answer 15

-Suspends and mintains tooth in socket
-Provides pressure and pain sensory feeling
-Nutritents
-SEE
-SLIDE

Question 16

What happens to alveolar bone if a tooth is gone?

Answer 16

It gets resorbed so nutrients can be used elsewhere

Question 17

What is the periosteum?

Answer 17

The soft layer of connective tissue that goes over bone

Question 18

Alevolar bone is cortical or cancellous?

Answer 18

Cancellous. Cortical is in the crest

Question 19

Does cortical bone show up on radiographs?

Answer 19

No

Question 20

Where is cancellous bone found in alveolar bone?

Answer 20

Between cortical bone and tooth

Question 21

What nerve innervates both the maxilla and the mandible?

Answer 21

Trigeminal (CN V)

Question 22

What are the branches of the trigeminal maxillary branch?

Answer 22

Superior Alveolars (PSA, MSA, ASA)
Infraorbital
Greater Palatine
Nasopalatine

Question 23

What branch of the mandibular trigeminal nerve branch innervates the mandibular teeth

Answer 23

Inferior Alveolar Nerve (ISA)

Question 24

What major artery supplies all parts of the face

Answer 24

External carotid

Question 25

What are the four kinds of tissue?

Answer 25

Muscle Nerve Epithelial Connective

Question 26

What characterizes epithelial tissue?

Answer 26

SEE SLIDE

Question 27

What is the "thin mat" of extracellular tissue that separates underlying connective tissue from epithelial tissue?

Answer 27

The basal lamina

Question 28

How can one increase keratinization in the gums?

Answer 28

Flossing. Think making callouses on the fingers

Question 29

LOOK AT SLIDE RIGHT BEFORE CONNECTIVE TISSUE FOR A CLUE

Question 30

What is the dental tissue that is not ____

Answer 30

SLIDE -- Enamel

Question 31

What net/gel-like subtance contains a strong network of fibers

Answer 31

SEE SLIDE

Question 32

Blood supply

Answer 32

SEE SLIDE

Question 33

What locks a cell to another cell?

Answer 33

A cellular junction

Question 34

What is a desmosome?

Answer 34

A cell-to-cell connection (velcro)

Question 35

What is a hemi-desmosola connection?

Answer 35

Cell to basal lamina (tape)

Question 36

What are the kinds of boundaries between et and ct and which is stronger?

Answer 36

Wavy (stronger) or smooth

Question 37

What is the epithelial ridge?

Answer 37

SEE SLIDE

Question 38

What is connective tissue papilla?

Answer 38

SEE SLIDE

Question 39

Does epithelium have blood vessels?

Answer 39

No

Question 40

What are the characteristics of oral epithelium?

Question 41

What are rete pegs?

Answer 41

Tall ET ridges in the OE that extend into the underlying connective tissue

Question 42

What are the characteristics of Sulcular Epithelieum (SE)?

Question 43

What are the characteristics of Junctional Epithelium?

Question 44

What are the functions of junctional epithelium?

Question 45

REVIEW SLIDES FOR JUNCTIONAL AS YOU WERE FILLING OUT YOUR CALENDAR

Question 46

What connects junctional et to the tooth?

Answer 46

Hemidesmosomes

Question 47

What are the functions of gingival connective tissue (aka lamina propria)

Question 48

Cells compose what percent of the gingival connective tissue?

Answer 48

5%, the rest is fluid

Question 49

What are the differences between ET of the gingiva and CT of the gingiva?

Question 50

SLIDES

Question 51

What is the dentogingival unit?

Answer 51

Junctional epitheliun + gingival fibers

Question 52

What does the dentogingival unit do?

Answer 52

Provides support to SEE SLIDE

Question 53

What is the order of the periodontal fibers (I M HOT)

Answer 53

Interradicular Group Alveolar Crest Aprical Fibers SEE SLIDE

Question 54

What is the name of the ends of periodontal fibers embedded in cementum?

Answer 54

Sharpey's fibers

Question 55

What are the functions of cementum? (SAP-C)

Answer 55

Seals and covers open tubules Attaches PDLs to tooth Protects underlying dentin Compensates for tissue loss caused by attrition

Question 56

Does cementum have nerves or blood vessels?

Answer 56

No

Question 57

Where is cellular cementum found as opposed to acellulat?

Answer 57

Cellular is more SEE SLIDE Acelllular is more SEE SLIDE

Question 58

What is acellular cementum mostly composed of?

Answer 58

Sharpey's Fibers

Question 59

What are the CEJ relationships? (OMG)

Answer 59

Overlap - 60% of cases Meet - 30% of cases Gap - 10% of cases *Can be different at different parts of same tooth

Question 60

True or False. Alveolar bone is constantly undergoing periods of formation and resorption

Answer 60

True