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dental science > chapter 12 > Flashcards

chapter 12 Flashcards

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1
Q

V- shaped space that is formed on either side of a contact area is called?

A

embrasures

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2
Q

which mandibular tooth has 5 cusps

A

permenant maxillary 1st molar

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3
Q

name the cusps of a man 1 st molar which is the smallest and which direction does it face?

A

MB,DB,D,ML,DL,D:

D is the smallest and is on the bucal side and facial.

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4
Q

the area where the Mesial of one tooth touches the distal of the adjacent tooth is called?

A

contact area

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5
Q

a rounded depression on a occusal surface of a tooth is called ?

A

fossa

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6
Q

curvature that leans inward

A

concave

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7
Q

name the roots on a maxiallary molar

A

three roots: MB,DB,L

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8
Q

IMPERFECT fusion of a developmental groove

A

fissure

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9
Q

which is the longest tooth in a permanent detition

A

maxillary canine

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10
Q

what is a linear depression on the occusal surfaceof a tooth

A

developmental groove

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11
Q

where would we find the cuso of carabeli ?

A

ML cusp of permenant maxically 1 molar

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12
Q

what is the deepest area called where two developmental grooves cross

A

pit

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13
Q

which premolar is bifurcated

A

maxixally 1st premoalr

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14
Q

what are mamelons where are they located

A

rounded enamel extensions on the incisal ridge of the central and lateral incisors

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15
Q

what is a cingulum?

A

raised rounded area on the cervical third ligual surface of anterior teeth

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16
Q

which teeth have a cingulum

A

all anterior teeth central, lateral incisors, and canine

17
Q

trifurcation means ?

A

divided into three braches or parts

18
Q

which teeth in the dentition are trifurcated.

A

maxixallary 1 st, 2nd molar, possinbly the third if they are not fused

19
Q

what tissue i located in the middle of the tooth

A

pulp

20
Q

which teeth are used for tearing food

A

cANINE

21
Q

LARGEST PERMANT TOOTH

A

permant maxilary 1 st molar

22
Q

excessive horizontal overlap of the teeth is caleed

A

overjet

23
Q

name of the roots of a mandibular moalr

A

mesial and distal

24
Q

which teeth have incisal edge

A

central lateral incisors and canine

25
Q

what is a linear elevation on a tooth

A

marginal ridge, ligual ridge

26
Q

what chracterstics occur when comparing the molars as you move more diatl in the mouth

A

they get smaller and roots stay close together and they may fuse

27
Q

how many roots are in a premolar

A

maxillary 1st premolar has 2 roots maixally 2nd oremolar have one root

28
Q

how many cusps on a maxillary bicuspid

A

has 2 cusps b.l and second premolar has two B.L

29
Q

RICH teeth are single rooted

A

cetral, lateral incisors and canine

30
Q

have. many roots do mandibular molars have

A

two

31
Q

which teeth have obilque ridge

A

permant maxillary 1st,2nf , 3 molar

4 cusps ttype molars

dental science (1 decks)

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