chapter 12 Flashcards

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

20
Q

which teeth are used for tearing food

21
Q

LARGEST PERMANT TOOTH

A

permant maxilary 1 st molar

22
Q

excessive horizontal overlap of the teeth is caleed

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
what is a linear elevation on a tooth
marginal ridge, ligual ridge
26
what chracterstics occur when comparing the molars as you move more diatl in the mouth
they get smaller and roots stay close together and they may fuse
27
how many roots are in a premolar
maxillary 1st premolar has 2 roots maixally 2nd oremolar have one root
28
how many cusps on a maxillary bicuspid
has 2 cusps b.l and second premolar has two B.L
29
RICH teeth are single rooted
cetral, lateral incisors and canine
30
have. many roots do mandibular molars have
two
31
which teeth have obilque ridge
permant maxillary 1st,2nf , 3 molar | 4 cusps ttype molars