Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/81

Click to flip

81 Cards in this Set

  • Front
  • Back
V shaped valley
sulcus
inclines of sulcus meet
developemental groove
or
extend outward to cusp tip
lingual surface of incisors
linual fossa
occlusal surface of molars
central fossa
formed by converging ridges terminting at central point in bottom of the depression
central fossa
found on molars/PM slightly distal/mesial to marginal ridges
triangular fossa
jxn of dev grooves
or
at terminals of grooves
pits
narrow channel/crevice

formed @ depth of dev groove
fissure
caries begin
deep fissures/pits
loss of proximal contact may result in
perio disease
malocclusion
food impaction
drifting of teeth
develop in groups of 3
mamelons
originate from 4 lobes
mamelons
mamelons so noticeable bc
made of pure enamel
no dentin underneath
translucent mamalons
thinnes
sharp defined
shallow
linear depression
dev grooves
separate primary parts of crown or root
dev grooves
escape way for cusps during
LATERAL/PROTRUSIVE motions
dev grooves
separate lobes/cusps
dev grooves
buccal/lingual grooves=
dev grooves
jxn of dev grooves
find pits
portion of gingiva that fills interpox space
interdental space
collar of tissue not attached to tooth/alveolar bone
free gingiva
ridge only on
MAX MOLARS
oblique ridge
oblique ridge is union of
1-distal cusp ridge of MLC

2-triangular ridge of DBC
labial surface of canine
labial ridge
buccal surface of PM
buccal ridge
all primary teeth
cervical ridge
runs M-D on cervical 1/3
incisor/canine
marginal ridge
posterior teeth
triangular ridge
projects from cusp tip to central groove
triangular ridge
union of
lingual triangular ridge of BC
buccal triangular ridge of LC
transverse ridge
runs from buccal surface to lingual surface
transverse ridge
union of 2 triangular ridge
=transverse ridge
descend from tips of cusps to central part of occlusal
triangular
triangular ridges on
molar
PM
occur btw
ML and MB
DL and DB
on molars
transverse ridge
btw
buccal / lingual on PM
transverse ridge
transverse ridge very common on
mand molars
max PM
special bout
max molars
oblique ridge
oblique ridges alway run btw
1-DBC
2-MLC
oblique ridge formed by
1-DC ridge of MLC
2-triangular ridge of DBC
minimum # of lobes a tooth dev from
4
tooth dev begins
increase cell activity in
growth centers in tooth germ
lobes=
primary centers of calcification
2 labial lobes
1 lingual lobe
anterior teeth
3 labial
i lingual
PM

except mand PM2
2 buccal
2 lingual
mand PM2
5 lobes
M1
4 lobes
M2
cervical 1/3 of lingual surface
cingulum
how many line angles of posteriors
8
what is nonexistent on anteriors
mesio-incisal line angles
disto-incisal line angles

*called*
mesial incisal angles only
line angles of anteriors
6
protect interdental papilla
MB line angles
DB line angles
linear elevation
ridge
mesial/distal marginal ridges
on all teeth
largest occlusal embrassure
max caninie & PM1
mand canine PM
pronounced dev goove
ectomesenchyme>
dental lamina induced to prolif into a tooth bud
primitive oral cavity
stomodeum
stomodeum lined by ectoderm >
ectoderm >
dental lamina
5-6th wk in utero
dental lamina
underlying mesenchyme contains
ectomesenchyme
induces oral epi to initiate tooth dev
ectomesenchyme
determines what tooth bud will become
ectomesenchyme
determines location of tooth in alveolar ridge
ectomesenchyme
tooth germ complete
end of cap stage
3rd stage of odontogenesis
cap stage
oral epi >
enamel organ
ectoderm >
enamel organ
four layer of enamel organ
outer enamel epi
inner enamel epi
stratum intermedium
stellate reticulum
enamel organ >
1-enamel
2-herwig's epi root sheath
ectomesenchyme >
dental sac
neural crest cells >
mesenchyme=ectomesenchyme
dental sac >
cementum
PDL from
dental sac
alveolar bone proper from
dental sac
dental papilla from
ectomesenchyme
neural crest cells
ectomesenchyme
dental papilla >
1-dentin
2-dental pulp
outer cells of dental papilla >
odontoblasts = dentin forming cells