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Oral Soft Tissues (PERIO) > 2: Normal Periodontium > Flashcards

2: Normal Periodontium Flashcards

1
Q

What are the three components to periodontal attachment?

A

1.PDL 2.Cementum 3.Alveolar Bone

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2
Q

What is the FUNDAMENTAL difference between an implant and a natural tooth concerning attachment?

A

Implant has NO PDL REGROWTH

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3
Q

Gingival Sulcus Space: Histologic ___mm; Average: ____mm Clincial _____mm

A

Histo: 0-6mm….Avg: 1.8mm….Clinical 0-3mm

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4
Q

KG= ___ to ____

A

GM to MGJ

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5
Q

AG = ___ to ____ minus ____

A

AG = GM to MGJ minus PD (sulcus)

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6
Q

AG = ____ minus ____

A

AG = KG minus PD (sulcus)

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7
Q

Rank molars, premolars, and incisors in MOST to LEAST gingival width…

A

Incisors > Molars > Premolars

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8
Q

What type of gingiva? Occupies embrasure, “Col”± Keratinization, Pyramidal, Contact point, Susceptible

A

Interdental Gingiva (Papilla)

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9
Q

Where does Periodisease usual start? Why?

A

Interdental Gingiva (Papilla)—Hardest area to brush/maintain

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10
Q

What is the minimal amount of acceptable keritinized tissue?

A

2mm

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11
Q

What are the three types of gingival epithelium?

A

1.Oral/Outer Epi 2.Crevicular (sulcular) epi 3.Junctional Epit

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12
Q

Which type of gingival epithelium contains the rete ridges? What type of appearance do these make?

A

outer/oral gingival epi…orange peel/stipling

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13
Q

Oral/Outer Gingival Epithelium: type of keratinization

A

Keratinized or ParaKeratinized

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14
Q

Oral/Outer Gingival Epithelium: How thick?

A

0.2-0.3 mm

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15
Q

Oral/Outer Gingival Epithelium: levels of keratinization…Palate _____ and Cheek ____

A

Palate=most….Cheek=least

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16
Q

What are the 4 cell types of the Oral/Outer Gingival Epithelium and how often do they turnover?

A

1.Keratinocytes 2.Nonkeratinocytes 2.Melanocytes (pigment) 3.Langerhan’s Cells(immune) 4.Merkel Cells(nerve)….Turnover=10-12 days

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17
Q

Sulcular Gingival Epithelium: Similar to ______

A

Oral/Outer Gingival Epithelium

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18
Q

Sulcular Gingival Epithelium: Resistant to ______

A

fluid flow

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19
Q

Sulcular Gingival Epithelium: keratinized/nonkeratinaized?, thin and without ______.

A

Nonkeratinized…without rete ridges

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20
Q

Sulcular Gingival Epithelium: has the potential to ______ with consistent flossing.

A

keratinize

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21
Q

Sulcular Gingival Epithelium: Extends from the ____ to the coronal limit of ____.

A

GM….JE

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22
Q

Junctional Epithelium: Keratinized/NonKeratinized?

A

NonKeratinized

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23
Q

Junctional Epithelium: ____ cells thick

A

2-30 cells thick (WOW thats thin as shit!)

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24
Q

Junctional Epithelium: ____mm in length

A

0.25-1.35mm in length (wow!)

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25
Junctional Epithelium: What is used to attach tooth/implant to connective tissue?
HemiDesmosOmes
26
Junctional Epithelium: What is the cell turnover here?
1-6 days
27
Junctional Epithelium: Do hemiDesmosOmes interact with implants?
YES! the connect both tooth and implant to connective tissue
28
Junctional Epithelium: ATTACHMENT-To tooth or implant (3 layers...one major, 2 minor)
Internal Basal Lamina (Lamina Densa, Lamina Lucida)
29
Junctional Epithelium: ATTACHMENT- to connective tissue
External Basal Lamina
30
What are the 3 components of Gingival Connective Tissue?
1.Papillary (rete ridges into the epithelium) 2.Reticular (adjacent to the periosteum) 3.Gound Substance(fills space between fibers and cells
31
Gingival Connective Tissue: Collagen Types ___ & ___
I & III
32
Gingival Connective Tissue: Collagen Fibers = ___%
60%
33
Gingival Connective Tissue: Fibroblasts= ___%
5%
34
Gingival Connective Tissue: Vessels, Nerves, Matrix= ___%
35%
35
What is the main theme of the types of cells found in the Gingival Connective tissue?
LOTS of immune cells! Fibroblasts, Mast cells, Macrophages, Plasma cells, Lymphocytes, Neutrophils
36
Gingival Fibers: ______ – support & contour to free gingiva
Circular
37
Gingival Fibers: ________ - support of the gingiva
Dentogingival*
38
Gingival Fibers: ________ - anchors tooth to bone
Dentoperiosteal*
39
Gingival Fibers: ________– attaches gingiva to alveolar bone
Alveologingival
40
Gingival Fibers: ________ - Keep teeth in alignment and protects bone Continuously reform as bone and fibers are destroyed
Transseptal fibers
41
Where are the three places I will find the Gingival Blood Supply?
1.PDL 2. Alveolar Bone 3.Surface of Periostium
42
Healthy gingiva can be described as "_____" pink.
"coral"
43
Healthy Gingiva -Contour...Anterior = ______; Posterior= ______
Anterior = pyramidal; posterior = flattened
44
Alveolar Mucosa: Keratinized/Nonkeratinized?...... texture-_____, shiny surface....Color-_____.
NonKeratinized.....smooth.....reddish
45
What is composed of collagen fibers and has an hour glass shape?
PDL
46
What is the approx width of PDL?
0.2 mm
47
Where is the PDL the narrowest, making the Hour Glass shape?
mid-root
48
What are the 5 PDL Fiber groups?
1.Alveolar Crest 2.Horizontal 3.Oblique 4.Apical 5.Interradicular
49
What are the 5 pieces to the periodontium? Which 3 are *Specific to Periodontal Attachment?
1.Gingiva Mucosa 2.Alveolar Mucosa *3.PDL *4.Cementum *5. Alveolar Bone
50
DOES the MGJ ever change?
NO, that line is permanent!
51
What is the 'formula' to for Keratinized Tissue?
KG=GM to MGJ
52
Stippling only occurs on the _______ gingiva.
Attached
53
The degree of ________ and prominence of stippling are related
keratinization
54
Stippling occurs at the sites of fusion of the epithelial ridges (_______).
rete ridges
55
PDL Principal Fiber Groups: resists lateral movement
Alveolar Crest Fibers
56
PDL Principal Fiber Groups: opposes lateral forces
horizontal fibers
57
PDL Principal Fiber Groups: absorbs occlusal forces
Oblique Fibers
58
PDL Principal Fiber Groups: resists tipping of the tooth
Apical Fibers
59
PDL Principal Fiber Groups: resists forces of luxation (pulling out) and tipping
Interradicular Fibers
60
What is the largest PDL fiber group?
Oblique Fibers
61
PDL: Principal fibers insert into ________ (tooth) and _______ (bone).
Cementum (tooth)-->Alveolar Bone (bone)
62
_______ fibers - terminal portion of principal fibers that insert into cementum and alveolar bone.
Sharpey’s
63
What is the physiologic zone of gingival tissue coronal to the alveolar bone crest and is composed of the epithelial attachment and the gingival connective tissue attachment?
BIOLOGICAL WIDTH
64
What is the range for biological width NECESSARY!?!? KNOW FOR REST OF LIFE!!!
2-3mm needed!
65
How do you compute biological width?
Jxnal Epi + Connective Tissue= Bio Width
66
What is the formula for finding CAL?
ClinicialAttachmentLoss= PocketDepth (mm) + CEJ to GingivalMargin(mm)
67
CEJ to GM may be: (+) Positive if ______ to CEJ (-) Negative if _____ to CEJ.
apical.... coronal
68
CAL= Sum of ____ to ____ plus ____
CAL= Sum of GingvalMargin to CementoEnamelJxn plus ProbeDepth

Oral Soft Tissues (PERIO) (4 decks)

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