chapter 12 Flashcards
V- shaped space that is formed on either side of a contact area is called?
embrasures
which mandibular tooth has 5 cusps
permenant maxillary 1st molar
name the cusps of a man 1 st molar which is the smallest and which direction does it face?
MB,DB,D,ML,DL,D:
D is the smallest and is on the bucal side and facial.
the area where the Mesial of one tooth touches the distal of the adjacent tooth is called?
contact area
a rounded depression on a occusal surface of a tooth is called ?
fossa
curvature that leans inward
concave
name the roots on a maxiallary molar
three roots: MB,DB,L
IMPERFECT fusion of a developmental groove
fissure
which is the longest tooth in a permanent detition
maxillary canine
what is a linear depression on the occusal surfaceof a tooth
developmental groove
where would we find the cuso of carabeli ?
ML cusp of permenant maxically 1 molar
what is the deepest area called where two developmental grooves cross
pit
which premolar is bifurcated
maxixally 1st premoalr
what are mamelons where are they located
rounded enamel extensions on the incisal ridge of the central and lateral incisors
what is a cingulum?
raised rounded area on the cervical third ligual surface of anterior teeth
which teeth have a cingulum
all anterior teeth central, lateral incisors, and canine
trifurcation means ?
divided into three braches or parts
which teeth in the dentition are trifurcated.
maxixallary 1 st, 2nd molar, possinbly the third if they are not fused
what tissue i located in the middle of the tooth
pulp
which teeth are used for tearing food
cANINE
LARGEST PERMANT TOOTH
permant maxilary 1 st molar
excessive horizontal overlap of the teeth is caleed
overjet
name of the roots of a mandibular moalr
mesial and distal
which teeth have incisal edge
central lateral incisors and canine
what is a linear elevation on a tooth
marginal ridge, ligual ridge
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
how many roots are in a premolar
maxillary 1st premolar has 2 roots maixally 2nd oremolar have one root
how many cusps on a maxillary bicuspid
has 2 cusps b.l and second premolar has two B.L
RICH teeth are single rooted
cetral, lateral incisors and canine
have. many roots do mandibular molars have
two
which teeth have obilque ridge
permant maxillary 1st,2nf , 3 molar
4 cusps ttype molars
