Review

Question 1

Periodontium includes what 4 structures

Answer 1

Gingiva
Periodontal ligament
Bone
Cementum

Question 2

What are the three characteristics of healthy gingiva

Answer 2

Dull surface
Firm consistency
Scalloped margin

Question 3

What are the 4 periodontal ligaments

Answer 3

ACF - alveolar crest fibers
ApF - apical crest fibers
HF - horizontal fibers
OF - oblique fibers

Question 4

Gingivitis vs. periodontitis

Answer 4

Gingivitis is gingiva only

Periodontitis is periodontal ligament and bone

Question 5

Sharpey’s fibers are parts of the PDL embedded in the ___ and the ___ ___

Answer 5

Cementum

Alveolar bone

Question 6

Cementum is different than bone in that it has no ___ ___

Answer 6

Blood supply

Question 7

Anomalies are more common in the ___ arch

Answer 7

Maxillary

Question 8

___ ___ are the most common missing teeth, ___ ___ ___ are the second most common, and ___ ___ ___ are the third most common

Answer 8

Third molars
Maxillary lateral incisors
Mandibular second premolars

Question 9

From first to third, the most common areas to have supernumerary teeth are the ___ ___ area, ___ ___ area, and the ___ ___

Answer 9

Maxillary incisor
Third molar
Mandibular premolar

Question 10

Mesiodens is located where

Peg shaped are where (usually)

Answer 10

Between central incisors

Lateral incisors

Question 11

Gemination vs Fusion

Answer 11

G: one crown (double wide), one root, one pulp chamber, one canal
F: two roots, two pulp chambers, two canals

Question 12

Congenital syphilis causes ____ incisors

Answer 12

Hutchinson’s

Question 13

Macrodontia affects ___ and ___

Answer 13

Incisors and canines

Question 14

Microdontia affects ___ ___ ___ and ___ ___

Answer 14

Maxillary lateral incisors

Third molars

Question 15

Two causes of hypercementosis are ___ or ___ ___

Answer 15

Trauma

Metabolic dysfunction

Question 16

Extra roots are common on ___ ___s and ___ ___ and usually affect facial and lingual roots

Answer 16

Mandibular canines

Mandibular premolars

Question 17

Amelogenesis and fluorosis are associated with ___ dysplasia

Dentinogenesis and tetracycline stain are associated with ___ dysplasia

Answer 17

Enamel

Dentin

Question 18

Turner’s tooth is also called ___ ___ ___

Answer 18

Focal enamel hipoplasia

Question 19

Attrition vs. abrasion

Answer 19

Attrition is from opposing tooth, abrasion is other mechanical means (toothbrush)

Question 20

Abfraction is when a tooth bends due to ___ ___ and chips off at cervical

Answer 20

Heavy occlusion

Question 21

The capsular ligament connects the ___ ___ to the ___ ___

Answer 21

Mandibular condyle

Zygomatic process

Question 22

The ligament that attaches to the lateral surface of the mandible is the ___ ligament, on the medial surface is the ___ ligament, and on the posterior surface of the mandible is the ___ ligament

Answer 22

Lateral
Spenomandibular
Stylomandibular

Question 23

The 4 muscles involved in chewing are the:
\_\_\_
\_\_\_
\_\_\_ \_\_\_
\_\_\_ \_\_\_
Muscles

Answer 23

Masseter
Temporalis
Medial pterygoid
Lateral pterygoid

Question 24

Masseter
O: ___ ___
I: rami and angle of mandible

Answer 24

Zygomatic arch

Question 25

Temporalis
O: Temporal fossa
I: ___ ___, anterior border of ramus

Answer 25

Coronoid process

Question 26

Medial pterygoid
O: ___ ___
I: ___ ___ of the ___

Answer 26

Pterygoid fossae

Medial angle of the mandible

Question 27

Lateral pterygoid
O: ___ ___ ___ and greater wing
I: ___ ___ and anterior part of articular disc

Answer 27

Lateral pterygoid plate

Pterygoid fovea

Question 28

Suprahyoids affecting mandibular movement:

___, ___ and ___

Answer 28

Geniohyoid
Mylohyoid
Digastric

Question 29

Infrahyoids affecting mandibular movement
___
___

Answer 29

Omohyoid

Sternohyoid

Question 30

The ___, ___ ___ and ___ elevate the mandible

The ___ and ___ and ___ ___s depress the mandible

The ___ and ___ retrude the mandible

Answer 30

Masseter, medial pterygoid and temporalis
Supra and infrahyoid and lateral pterygoid
Temporalis and suprahyoid