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Flashcards in bell ringer theory Deck (29)
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1

horns central incisors

3 horns

2

variation of central incisors

1) double shovel
2) 3/4 shovel shape

3

horns lateral incisors

2 horns for upper
3 horns for lower

4

variation of lateral incisors

1) shovel-shaped
2) peg-shaped incisors
3) agenesis (tooth missing)

5

horns for canines

1 horn

6

variation for canines

bifurcation of root

7

horns for upper first premolar

2 horns

8

canals for upper first premolar

2 canals

9

horns for upper second premolar

2 horns

10

horns for lower first premolar

1 to 2 horns

11

horns for lower second premolar

2 to 3 horns

12

variation of lower second premolar

Leong's tubercle

13

accessory cusp found on the MB side of mandibular molar (both permanent and primary)

protostylid

14

variation of max first molar

carabelli cusp

15

components for trigon

mb, ml, db cusps

16

components of talon

dl cusp

17

horns for max first molar

4 or 5 horns

18

where is carabelli cusp found

ml cups

19

horns for max second molar

4 horns

20

variations for upper second molar

enamel pearls, enamel extensions, furcation, carabelli trait

21

horns for lower first molar

5 horns

22

horns for lower second molar

4 horns

23

absence of all teeth

anadontia

24

abrasion

progressive loss of hard tooth substance due to mechanical action other than mastication (eg. improper tooth brushing)

25

attrition

normal wear of teeth due to tooth-to-tooth contact

26

abfraction

tooth tissue loss that occurs at the gingival margin due to bending forces applied to the tooth

27

erosion

gradual loss of tooth tissue due to chemical processes (eg. acid)

28

root bent

dilaceration

29

extra enamel at the primary upper molars

parastyle