It's like I have ESPN or something.. Flashcards Preview

You Go Glen CoCo > It's like I have ESPN or something.. > Flashcards

Flashcards in It's like I have ESPN or something.. Deck (47):
1

Absence of teeth..

Anodontia (total or partial)

2

An arch that has had some or all of its teeth extracted..

Edentulous.

3

Partial anodontia: most commonly missing adult teeth..

1) third molars (especially maxillary)
2) maxillary lateral incisors (1-2% of population)
3) mandibular second premolars (1%)

4

Supernumerary Teeth..

A) most common dentition/arch
B) areas of arch

A) permanent dentition/ 90% maxillary arch
B) 1. Maxillary incisor area
2. Third molar area
3. Mandibular premolar area

5

Supernumerary tooth present in midline between the two central incisors..

Mesiodens.

6

Extramolar positions...

A) paramolar
B) distomolar
C) fourth molar

7

Peg-shaped lateral incisors occur in..

1-2% of the population.

Note: peg-shaped central incisors are very rare.

8

One crown double in width due to a germinal center that partially splits..

Germination.

9

Germination (twinning) teeth:

A) characteristics
B) location

A) One root, one pulp chamber, one canal
B) primarily maxillary anteriors (Incisal area)

10

Two adjacent crowns come together and appear double in width due to 2 germinal centers that fuse during development..

Fusion.

Note: a supernumerary mesiodens can fuse to an incisor; supernumerary paramolar can fuse to a permanent third molar.

11

Fusion of teeth..

A) characteristics
B) location

A) two roots, two pulp chambers and canals
B) primary mandibular anteriors

12

Congenital syphilis produces..

Hutchinson's incisors (no separation on facial surface) and Mulberry Molars.

13

Extra cusp (middle lingual) on mandibular molars..

Tuberculum Intermedium.

14

Extra cusp on lingual surface of incisors..

Talon cusp.

15

Talon cusp..

A) composition
B) characteristics

A) not made of enamel
B) has its own pulp horn

16

Macrodontia affects..

Incisors and canines.

(Generalized, pituitary giants)

17

Microdontia affects..

Maxillary lateral incisors and third molars.

18

Shovel-shaped incisors are most common in these populations..

American Indians, Asians, Mongoloid, and Eskimos.

19

Flexion..

Occurs at any level of the root.

Can be caused by trauma or lack of space.

20

Delaceration..

Occurs at the level of the CEJ.

Can be caused by trauma or lack of space.

21

Enamel pearls..

A) definition
B) location

A) Small pearls of enamel with dentin core inside (require no intervention if no periodontal problems)
B) areas of furcation

22

Taurodontia..

A) characteristics
B) populations

A) big, wide root; no canal - just a big pulp chamber; no taper
B) Neanderthals, Native Americans, Eskimos

Note: more common in women

23

Dens in dente..

A) embryology
B) consequences

A) invagination of enamel
B) teeth will have a deep lingual pit; must seal pit with composite

24

Hypercementosis..

A) definition
B) etiology

"Webbed teeth"

A) thickening of cementum
B) trauma or metabolic dysfunction

25

Concrescence of roots is the..

Joining of cementum of adjacent teeth after eruption.

26

Dwarfed roots..

A) generalized
B) localized

A) hereditary
B) orthodontics: moves teeth too fast

27

Accessory roots most common in..

Third molars, mandibular first and second premolars, mandibular canines

Note: most commonly facial and ligule roots; mesial/distal is rare

28

Impacted teeth fail to erupt..

Due to being physically and mechanically blocked.

29

Unerupted teeth fail to erupt..

Due to lack of eruption forces.

30

Transposition..

Teeth switch places (e.g., lateral incisors and canines)

31

Transmigration..

A tooth that erupts somewhere other than its normal eruption site without switching places with another tooth.

32

Torsiversion..

Rotation of a tooth on its long axis out of normal position.

33

Ankylosis..

Loss of periodontal ligament, as root fuses to bone

Note: failure to complete eruption due to trauma or infection; common in primary teeth with no permanent teeth to replace.

34

Enamel Dysplasia..

Abnormal enamel formation

A) Amelogenesis Imperfecta
B) fluorosis
C) enamel damage from high fever
D) focal hyper maturation

35

Dentin Dysplasia..

Abnormal dentin formation

A) Dentinogenesis Imperfecta
B) Tetracycline Stain

36

Two tooth malformations that are hereditary and affect both dentitions..

A) Amelogenesis Imperfecta
B) Dentinogenesis Impefecta

37

To be considered an anomaly..

It must occur during embryonic development.

38

Mild fluorosis is expressed as..

Mottled enamel.

39

Severe fluorosis is expressed as..

Pitted enamel.

40

Turner's tooth (focal enamel hypoplasia) results from..

Abcess or trauma.

41

Dentinogenesis Imperfecta is characterized by..

No dentin or pulp chambers, grayish-blue in color, prone to fractures, and the present enamel is brittle.

Note: must crown.

42

Biliary artisia is caused by..

Obstruction of the common hepatic duct.

43

Tetracycline stains the dentition, because it can..

Cross the placental barrier.

44

Attrition..

Wear of enamel and dentin due to opposing tooth contact. (Bruxism)

45

Abrasion..

Wear of tooth structure by mechanical means, e.g., tooth brush, tooth pick, chewing tobacco.

46

Abfraction..

Bringing of tooth structure due to heavy occlusion with enamel chipping at cervical.

47

Erosion..

Wear of tooth structure due to chemical agents, e.g., carbonated beverages, bulimic patients.