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29 Cards in this Set
- Front
- Back
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The line of demarcation between the loose alveolar mucosa and the more dense attached gingiva adjacent to teeth is the... |
Mucogingival junction |
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Attached gingival tissue |
-Vascular supply in lamina propria -Parakeratinized epithelium -Firm and immobile |
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Mucoperiosteum |
Lamina propria directly attached to underlying jawbones |
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Marginal gingival tissue |
-Orthokeratinized stratified squamous epithelium -Not attached to underlying jawbones -Firm but MOBILE -Lamina propria associated with marginal gingiva and gingival tissues that face the tooth |
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Inflamed marginal gingiva |
Rolled margins, loss of stippling, and bright red areas |
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The depression between the lingual and facial papillae that conforms with the proximal contact area is termed... |
Col |
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Col |
-Marginal gingiva that is non-keratinized -Susceptible to periodontal disease |
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Dentogingival junctional tissues |
Sulcular epithelium and junctional epithelium |
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Where is the dentogingival junction? |
Between tooth and gingival tissues |
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Sulcular epithelium |
-(Aka crevicular epithelium) -Creates gingival sulcus and gingival fluid -Healthy depth up to 3 mm
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What is a healthy gingival fluid flow rate? |
Up to 1 to 2 microliters per tooth per hour |
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Gingival fluid |
Functions in defense against infection -Contains WBC's (PMN's) -Increases flow with infection |
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In relation to sulcular epithelium, junctional epithelium is positioned more... |
Apically |
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When measuring the depth of a periodontal pocket, the measurement is made from the base of the pocket or attached periodontal tissue to... |
The height of the gingival margin |
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Periodontal pocket depths up to what depth are usually related to a normal, healthy gingival sulcus? |
3 mm |
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Junctional epithelium |
-Extension of sulcular epithelium -Floor of gingival sulcus -Attached to tooth surface -Came from REE |
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Sulcular epithelium is what kind of tissue? |
Stratified squamous epithelium and mostly non-keratinized -Tightly packed cells |
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Junctional epithelium is what kind of tissue? |
Loosely packed cells Allows for migration of PMN's (30,000 PMNs per minute through JE)
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Epithelial attachment of junctional epithelium... |
Internal basal lamina External basal lamina |
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Internal basal lamina |
Attachment of JE to tooth surface -Epithelial attachment through hemidesmosomes |
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External basal lamina |
Attachment between JE and lamina propria |
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JE-Basal Layer |
Constant/rapid cell division (mitosis) Turnover time=4-6 days Continuous coronal migration of cells Cells do not mature and remain immature No layers |
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JE is distinguishable from other gingival tissues for all of the following reasons except... |
? |
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Primary epithelial attachment |
-REE and surrounding epithelium -Ameloblasts secrete basal lamina and develop hemidesmosomes -Remain attached to the neck of the tooth -Initial JE -Replaced by definitive JE as root is formed -Can take up to 3-4 years after tooth eruption |
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In contrast to marginal epithelium, sulcular epithelium has _________rete ridges. |
No |
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Permeability allows for _________ to enter JE inducing inflammation |
Bacterial toxins |
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Clinical considerations to bacterial toxin invasion in the JE... |
Bleeding on probing Increased GCF flow Suppuration present when PMNs in abundance |
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Rete ridges develop in the presence of... |
Inflammation |
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In a patient with a history of periodontitis, we might expect to see which of the following clinical findings? |
Apical migration of the JE Recession Decreased alveolar bone height |
