PERIODONTIUM PART 2

67問 • 1年前

Tameyra Stefani Al-Suhairy

通報

問題一覧

in multi rooted teeth, two or more teeth the collgen fibers found between root or furction

interradicular group

5 gingival ligaments

Dentogingval fibers, Alveologingival group, Circular group, Dentoperiosteal group, Transseptal fibers

5 alveolodental ligament

Alveolar crest group, Horizontal group, Oblique group, Apical group, Interradicular group

Age changes of PDL 4

Decrease vascularity, Decrease cells, decrease thickness, increase cementicles

a tissue described as the masticatory mucosa lining the alveolar bone which surrounds the cervical portion of the teeth.

gingiva

moist lining of the oral cavity that is continuous with the exterior surface of the skin on one end and the pharynx on the other end.

Oral mucosa or oral mucous membrane

mucous membrane covers all structure except clinical crowns of the teeth.

Oral mucosa

2 layers oral mucosa

Stratified squamous epithelium, Supporting connective tissue

Outer covering oral mucosa

lining epithelium

Inner connective tissue

Lamina propria

Only one kind of oral mucosa in the mouth

Stratified squamous epithelium (kera or non)

4 functions oral mucosa

Protection, Sensation, Secretion, Temperature regulation

Oral mucosa of deeper tissues against mechanical forces and surface abrasion.

Protection

Oral mucosa Covering the dorm of the tongue

Specialized mucosa

Covers gingiva and hard palate

Masticatory mucosa

Cover all the other parts of mouth Chuck buccal mucosa Alveolar mucosa underneath tongue soft palate

Lining mucosa

buccal mucosa, labial mucosa, alveolar mucosa, floor of the mouth, ventral tongue, soft palate non-keratinized stratified squamous epithelium soft, moist, ability to stretch and compress

Lining mucosa

- attached gingiva, hard palate, dorsal tongue

Masticatory mucosa

dorsal tongue surface associated with the lingual papillae

Specialized mucosa

In between tissues of oral mucosa

Basement membrane

underneath epithelium -attached to the periosteum of the alveolar bone

lamina propria

-Dense thick firm connective tissue containing collagenous fibers.

lamina propria

Underneath lamina propria -contains: - Glands, blood vessels, nerve and adipose tissue.

Submucosa

-thin loose connective tissue with muscle and collagenous fibers different areas varying from 1 another in their structure.

Submucosa

gingiva from the marginal crest to the level of the base of the gingival sulcus.

free gingiva

Space between the tooth and free gingiva.

gingival sulcus

Outer aspect of gingiva in each gingival embrasure tringular gingiva

Gingival/ Interdental Papillae

Is a shallow groove that runs parallel to the marginal crest of the free gingiva.

Free gingival groove

Dense connective tissue with its keratinized stratified squamous epithelium etend from level of the depth of the gingival sulcus.

Attached gingiva

thin, soft tissue that is loosely attached to the underlying alveolar bone. movable covering of maxilla or mndible

Alveolar Mucosa

The transition between keratinized attached gingiva and non-keratinized alveolar mucosa

Mucogingival Junction

Consists of small indentations into the mucosal surtace.

Stipplings of the gingiva

-Compact bone inner and outer plate of alveolar process

Cortical plate

-Fills the areas between plates and alveolar bone proper.

Spongy bone

composed of 65% inorganic material, 35 % organic material.

bone

Age changes • Smoother • Dryer • Atrophic friable • Epithelium becomes thinner • Reduction in filiform papillae • Vascular changes

Gingiva

Compact layer of bone lining the tooth socket

Alveolar bone

a part of the maxilla and the mandible-forms, supports, and lines the sockets into which the roots of teeth fit.

Alveolar process

Inner cortical plate

lamina dura (xray)

3 attachment apparatus

ceementum, pdl, alveolar bone

most organic matter of cementum is

collagen

Has cervical loop

tooth germ

elongated cervical loop

HERS

guide the root formation

HERS

HERS WILL MAKE CEMENTUM

intermediate cementum

cementoblast came from

dental sac or follicle

newly formed cementum not yet mineralized it contains

water and proteins

terminal ends of collagen fibers tht will be embedded into cementoid

sharpeys fibers

Parallel to CDJ larger

intrinsic fibers

oblique/horizontal more fine, smaller

extrinsic fibers

cementum contains collagen fibers from cementoblast

intrinsic fiber cementum

Principal cementum for attachment

AEFC

Majority of cementum is

AEFC

Fibers produced by cementoblast no sharpeys fibers FIRST FORMED BEFORE PDL FORMS 15-20 microns

primary AIFC

cementum on enamel

acellular fibrillar cementum

cementum on top of enamel

coronal cementum

fills the resorption lacunae collagen fibers forms cementoblast

CIFC cellular intrinsic fiber cementum

found on apex of tooth and forcation of molar collagen fibers from combination of sharpeys and cementoblasts

cellular mixed fiber cementum

hyalin layer of hopewell smith Produce by HERS very close to dentin in root region

intermediate cementum

acellular fibrillar cementum

coronal cementum

gingiva in crown region covering crown as age, gingiva more on apical location APICAL MOVEMENT OR MIGRATION OF GINGIVAL

gingival recession

created when theres cementum repair after resorption demarkation between repaired and old cementum

reversal lines

repair of root resorption is

cemental repair

island of cells coming from HERS form _

epithelial rest of malassez

epithelial rest of malassez can be calcified turning epithelial cells into tiny stones in PDL called

Cementicles

cementicles completely covered by secondary cementum

embedded cementum

- rubbery, resilient keratinized or parakeratinized stratified squamous epithelium

masticatory mucosa

MT 6

MT 6

MT 6

MT 6

MT 4

MT 4

MT 4

MT 4

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TOXICOLOGY

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OTHER GLANDS

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SEX GLANDS

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39問 • 4ヶ月前

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Clearance

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24問 • 4ヶ月前

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44問 • 4ヶ月前

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39問 • 4ヶ月前

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問題一覧

in multi rooted teeth, two or more teeth the collgen fibers found between root or furction

interradicular group

5 gingival ligaments

Dentogingval fibers, Alveologingival group, Circular group, Dentoperiosteal group, Transseptal fibers

5 alveolodental ligament

Alveolar crest group, Horizontal group, Oblique group, Apical group, Interradicular group

Age changes of PDL 4

Decrease vascularity, Decrease cells, decrease thickness, increase cementicles

a tissue described as the masticatory mucosa lining the alveolar bone which surrounds the cervical portion of the teeth.

gingiva

moist lining of the oral cavity that is continuous with the exterior surface of the skin on one end and the pharynx on the other end.

Oral mucosa or oral mucous membrane

mucous membrane covers all structure except clinical crowns of the teeth.

Oral mucosa

2 layers oral mucosa

Stratified squamous epithelium, Supporting connective tissue

Outer covering oral mucosa

lining epithelium

Inner connective tissue

Lamina propria

Only one kind of oral mucosa in the mouth

Stratified squamous epithelium (kera or non)

4 functions oral mucosa

Protection, Sensation, Secretion, Temperature regulation

Oral mucosa of deeper tissues against mechanical forces and surface abrasion.

Protection

Oral mucosa Covering the dorm of the tongue

Specialized mucosa

Covers gingiva and hard palate

Masticatory mucosa

Cover all the other parts of mouth Chuck buccal mucosa Alveolar mucosa underneath tongue soft palate

Lining mucosa

buccal mucosa, labial mucosa, alveolar mucosa, floor of the mouth, ventral tongue, soft palate non-keratinized stratified squamous epithelium soft, moist, ability to stretch and compress

Lining mucosa

- attached gingiva, hard palate, dorsal tongue

Masticatory mucosa

dorsal tongue surface associated with the lingual papillae

Specialized mucosa

In between tissues of oral mucosa

Basement membrane

underneath epithelium -attached to the periosteum of the alveolar bone

lamina propria

-Dense thick firm connective tissue containing collagenous fibers.

lamina propria

Underneath lamina propria -contains: - Glands, blood vessels, nerve and adipose tissue.

Submucosa

-thin loose connective tissue with muscle and collagenous fibers different areas varying from 1 another in their structure.

Submucosa

gingiva from the marginal crest to the level of the base of the gingival sulcus.

free gingiva

Space between the tooth and free gingiva.

gingival sulcus

Outer aspect of gingiva in each gingival embrasure tringular gingiva

Gingival/ Interdental Papillae

Is a shallow groove that runs parallel to the marginal crest of the free gingiva.

Free gingival groove

Dense connective tissue with its keratinized stratified squamous epithelium etend from level of the depth of the gingival sulcus.

Attached gingiva

thin, soft tissue that is loosely attached to the underlying alveolar bone. movable covering of maxilla or mndible

Alveolar Mucosa

The transition between keratinized attached gingiva and non-keratinized alveolar mucosa

Mucogingival Junction

Consists of small indentations into the mucosal surtace.

Stipplings of the gingiva

-Compact bone inner and outer plate of alveolar process

Cortical plate

-Fills the areas between plates and alveolar bone proper.

Spongy bone

composed of 65% inorganic material, 35 % organic material.

bone

Age changes • Smoother • Dryer • Atrophic friable • Epithelium becomes thinner • Reduction in filiform papillae • Vascular changes

Gingiva

Compact layer of bone lining the tooth socket

Alveolar bone

a part of the maxilla and the mandible-forms, supports, and lines the sockets into which the roots of teeth fit.

Alveolar process

Inner cortical plate

lamina dura (xray)

3 attachment apparatus

ceementum, pdl, alveolar bone

most organic matter of cementum is

collagen

Has cervical loop

tooth germ

elongated cervical loop

HERS

guide the root formation

HERS

HERS WILL MAKE CEMENTUM

intermediate cementum

cementoblast came from

dental sac or follicle

newly formed cementum not yet mineralized it contains

water and proteins

terminal ends of collagen fibers tht will be embedded into cementoid

sharpeys fibers

Parallel to CDJ larger

intrinsic fibers

oblique/horizontal more fine, smaller

extrinsic fibers

cementum contains collagen fibers from cementoblast

intrinsic fiber cementum

Principal cementum for attachment

AEFC

Majority of cementum is

AEFC

Fibers produced by cementoblast no sharpeys fibers FIRST FORMED BEFORE PDL FORMS 15-20 microns

primary AIFC

cementum on enamel

acellular fibrillar cementum

cementum on top of enamel

coronal cementum

fills the resorption lacunae collagen fibers forms cementoblast

CIFC cellular intrinsic fiber cementum

found on apex of tooth and forcation of molar collagen fibers from combination of sharpeys and cementoblasts

cellular mixed fiber cementum

hyalin layer of hopewell smith Produce by HERS very close to dentin in root region

intermediate cementum

acellular fibrillar cementum

coronal cementum

gingiva in crown region covering crown as age, gingiva more on apical location APICAL MOVEMENT OR MIGRATION OF GINGIVAL

gingival recession

created when theres cementum repair after resorption demarkation between repaired and old cementum

reversal lines

repair of root resorption is

cemental repair

island of cells coming from HERS form _

epithelial rest of malassez

epithelial rest of malassez can be calcified turning epithelial cells into tiny stones in PDL called

Cementicles

cementicles completely covered by secondary cementum

embedded cementum

- rubbery, resilient keratinized or parakeratinized stratified squamous epithelium

masticatory mucosa