Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

dfk;amdfbnsdde ana > 208 -217 > Flashcards

208 -217 Flashcards

1
Q

pulp origin

A

ectomesenchymal cells of dental pappila

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

coronal pulp

A

found in pulp horn

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

radicular pulp

A

found n pulp cavity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

has mesenchymal cells that form dentins

A

formative function of pulp

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

nourishes the avasc. dentin

A

nutritive function of pulp

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

free nerve endings provide pain sensation

A

sensory function of pulp

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

produce reparative dentin as needed

A

protective function of pulp

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

single layer of odontoblast lining pulp chamber

A

odontoblstic zone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

cell free zone of Weil

A

devoid of cells (exccept during dentinogenesis)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

has parietal plexus of nerves and plexus of BV

A

pulp

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

cell rich zone

A

fibroblast and undiff mesenchymal cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

fibroblast , macrophage, leukocye, blood and lymph vessels

my. symp. nerve fiebrs

collagen 1 and 3

ground substance

no elastic fibers

A

pulp core

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

denticles

A

concentric layers of mineralized tissues

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

true denticles

A

surround dentinal tubules or odontoblastic processes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

surround dead cells or collagen fibers

A

false denticles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

free denticles

A

located freelyin pulp chamber

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

attached denticles

A

attached to ant chmber wall

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

interstitial denticle

A

embedded in pulp chamber wall

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

dystrophic calcification

A

calcification of collagen bundles or collagen fibers surrounding BV and nerves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

inc collagen fibers and calcifications

A

aging of pulp

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

dec. pulp chamber vol.

apical 4amen size

cells

vasc

sensitivity

A

effect of aging on pulp

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

avasc tissue about 10 micor meters thick covering radicular dentin

A

cementum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

compositon close to bone

A

cementum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

origin of cementum

A

diff. ectomesenchymal cells of dnetal follicle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

provide attachment for teeth

prevent root resorption during tooth movement

A

cementum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

formation functon of cementum

A

continual apical cementum deposition accounts for continual tooth eruption and movement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

during root formation ——- cells of dental follicle migrate through gaps in—— —– and orient themselves along —— dentin.

Here they diff. to —– and sec. ——-

A

during root formation ectomes. cells of dental follicle migrate through gaps in Hertwigs root sheath and orient themselves along radicular dentin.

Here they diff. to cementoblast and sec. cementoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

As cementoblast —– away from dentin . matrix is —— and new layer of cementum matrix secreted/ these form —- lines, seen —–

A

s cementoblast retreat away from dentin . matrix is calcified and new layer of cementum matrix secreted/ these form resting lines, seen microscopically

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

cementoblast can be trapped in own matrix–> known as

A

cementocytes, residing in lacunae.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

ementocytes

A

recieve nutrients via caniliculi that extend to PDL

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

constantly produced at apical portion of root

A

cementum

(accout for continual eruption of teeth)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

hypercementosis

A

deposition of excessive cementum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

primary cementum

A

first formed cementum

covers coronal cementum

acellular and consists of ext. collagen fibers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

secondary cementum

A

overlies primary cementum

covers apical cmemetum

can be acellular or cellular

mde of mixed collagen fibers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

has cementocytes

cementoblsts

cementoclsts

founf in areas of cementum

A

celular cementum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

devoid of cells

coronal areas of cementum

A

acellular cementum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

int. coll fibers

A

made by cementoblasts

parralel to tooth surface

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Ext. coll. fibers

A

made by PDL

arranged perpendicular to tooth surface

when trapped in cementun, know as sharpies fibers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

mixed coll. fibers

A

combo of intrinsic and extrinsic fibers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

aging effects on cementum

A

inc. cementum depositon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

cementum enables tooth movement b/c is more important to resorption than alv. bone

A

Cementum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

alv. bone

A

bone in maxila and mandlible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

interalveolar setpum

A

bony projection separating 2 alveoli

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

interradicular septum

A

alv bone b/n roots of multirooted tooth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

origin of alv bone

A

diff. ectomes. cells of dental follicle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

alv bone proper

A

thin layer of cortical bone

surronds teeth and into which PDL fibers are embedded

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

bundle bone

lamina dura

crib. plate

supporting alv. bone

A

alv bone proper

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

part of alveolus that surrounds alv bone proper

A

supporting alv bone

50
Q

coritcal bone

A

buccal and lingual outer surfaces of maxilla and mandible

51
Q

thicker in mandible and post regions

A

cortical bones(plate)

52
Q

cancellous bone

A

fills area b/n cortical plate

makes up majority of alv bones

53
Q

adiographic appearance of lamina dura determined by

A

x ray beam angulation and integrity

54
Q

radiograhic presense of crestal lamina dura

A

no correlation with periodontal attachment loss

55
Q

soft Ct b/n

A

tooth and alv bne

56
Q

.2 mm wide

but varies with tooth function and age

57
Q

diff. ectomes. cells of dental follicle

A

origin of PDL

58
Q

attachment of tooth to alv bone

A

functions of PDL

59
Q

cells responcible for formaton of peridontium

A

formative function fo PDL

60
Q

nutritive funnction of PDl

A

vasc network providing nutrient to cells

61
Q

sensory function of PDL

A

aff. nerve fibers responcible for pain pressure and propioception

62
Q

ell responcible for remodeling of peridontium

A

remodeling function of PDL

63
Q

most common cell of PDL

64
Q

cementoblasts or clasts

osteoblast and osteoclast

macrophage, mast cells, eosinophil

65
Q

undiff. mes. cell

66
Q

ground substance of PDL

A

PG

GAG

GP

H2O

67
Q

remnants of HERS

A

ep. rests of Malassez

closer to cementum than alv bone

68
Q

calcified mass either attached or unattached to root surfaces

A

cementicles

69
Q

mostly collagen type 1

but also type 3

A

principle collagen fibers

70
Q

transeptal fibers

A

interproximally over alv crest from cementum of one tooth to adjacent tooth.

resist mesial distal forces

72
Q

extend obliquely from cementum just apical to JE to alv. crest

resist vertical force

A

alv. crest

73
Q

horizontal colagen fibers

A

extend at right angle fro cementum to alv. bone

resist lat. and rotational forces

74
Q

oblique fibers

A

extend obliquely from cementum to alv bone.

most abundant principle fibers

75
Q

mainr esistance to masticory forces

A

oblique forces

76
Q

apical fibers

A

extend from cemetum to alv bone at rot apices

resst vert. forces

77
Q

interradicular fibrs

A

extend from radicular cementum to interradicular alv bone. only on multirooted tooth.

resist vert forces

78
Q

oxytalin fibers

A

elastic like fibers

runnign parralel to tooth surface and bend to attach to cementum.

largely ass. with BV

79
Q

Vasc of PDL comes from

A

max artery

80
Q

periosteal veseels

A

to PDL from periosteum

(primary source of vasc)

81
Q

apical vessels

A

br. of dnetal vesels that supply apical regions of PDL

82
Q

trans alv. vessels

A

br. of transeptal vessels that perforate alv. bone proper

83
Q

anstomose vessels of

A

gingiva go to PDL

84
Q

nerve fibers of PDL

A

from trigem nerve

85
Q

free nerve ending

A

transmit pain and is most abundant

86
Q

ruffini corpsucle of nerve fiber in PDL

A

mechanoreceptor

87
Q

nerve fibers of PDL

A

have coiled and psindle endings

88
Q

lymphatics of PDL

A

drain to submand. LN

except mand. incisors which drain to submental nodes

89
Q

low PDL width

low cellularity and fiber content

A

aging on PDL

90
Q

teeth in hypofunction have

A

dec. PDL width with fibers arranged parralel to root

91
Q

teeth in hyperfunction

A

inc. PDL width.

92
Q

initation of odontogenesis

A

at week 6 inutero

underlying ectomes. cells induce overyling ectoderm to prolif. ,

form localized thickening at site of each tooth called dental lamina

93
Q

defects in inititation

A

anodontia or supernumeray teeth

94
Q

week 8 in utero

95
Q

Bud stage; ectodermal and ectomes. cells prolif

A

to make round shape of tooth bud

96
Q

cap stage

A

week 9 in utero

enamel organ begins to form

1 layer cells at convex region (OEE) and concave region (IEE)

97
Q

B/n the 2 ep layers

A

loosely arranged Stellate retic.

(some cells of stellate retic. become densely packed near IEE and known as enamel knot

98
Q

dental pappila

A

condense ectomes. cells (w/in concavity of enamel organ)

99
Q

dentla follicle

A

capsule like encasing mesenchyme surround enamel organ

100
Q

succadaneus dental lamina

A

form adjaent to primary enamel organ

101
Q

dens in date

gemination

fusion

tubrcle

A

defected in cap stage

102
Q

bell stage

A

at week 11 in utero

103
Q

beel stage

A

morphogenesis and histodiff occur

104
Q

enamel organ

A

well defined;

OEE

IEE

Stratum Int.

StellateReticulum

105
Q

lateral to IEE

A

Stratum Int

106
Q

becomes more sparesly arranged due to INC PG synthesis

A

stellate retic.

107
Q

enamel knot disspappear

A

bell stage

108
Q

tall columnar

A

cells of IEE

(preameloblastS)

109
Q

cells of dental pap.

A

become tall and columnar

after preameloblast forms

(called preodontoblast)

110
Q

dental lamina disintegrates

and remnans known as

A

ep. rests of Serres

111
Q

DI

AI

macrodontia, microdontia

A

Bell stage defect

112
Q

start at week 14 in utero

A

Appos. stage

113
Q

REE forms when the SR. collapses merging OEE and IEE

A

APPOS stage

114
Q

secrete detin matrix first

A

odontoblast

115
Q

secrete enamel matrix after dentin is first formed

A

ameloblasts

116
Q

root formation begins

A

appos. space

117
Q

dental pappilar forms pulp tissue

A

APPOS stage

118
Q

dental follicle forms

A

alv bone

cementum

PDL

119
Q

enamel dysplasia

concrescence

enamel pearls

A

APPOS Stage

120
Q

starts at 4-6 months in utero

A

APPOS stage

121
Q

tarts at DEJ

and takes 2 years to finish

A

mineralization phase

dfk;amdfbnsdde ana (23 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions