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what is the junction between the tooth surface and the gingival tissue?
where is the dnetogingival junction?
at the junction between the tooth surface and the gingival tissues
what two types of epithelium make up the dentogingival junction?
sulcular epithelium and junctional epithelium
dentogingival junction= _______ epithelium + ______ epithelium
the ____ epithelium stands away from the tooth creating gingival sulcus
the sulcular epithelium stands away from the tooth creating what?
what is the measurement for healthy gingiva?
.5 to 3 mm
what is the normal gingival fluid flow rate?
1-2 microliters per tooth per hour
the normal ______ ______ _____ ____ is 1-2 microliters per tooth per hour
gingival fluid flow rate
what epithelium is a deeper extension of sulcular epithelium and lines the floor of the gingival sulcus
where does the junctional epithelium attach on the tooth?
enamel, cementum or dentin
_____ epithlium is thinner than _____ epithelium
how many cells thick is the JE at the coronal portion?
how many cells thick is the JE at the apical portion?
what portion is the JE 15-30 cells thick?
coronal portion (floor of gingival sulcus)
at what protion is the JE 3-4 cells thick
what are two clinical considerations with gingival tissues?
- gingival recession
- gingival hyperplasia
what are 6 causes for gingival recession?
- perio disease
- tooth position
- toothbrush abrasion
- frenal attachements
what does gingival hyperplasia affect? (2)
epithelium and lamina propria
what kind of meds cause gingival hyperplasia (3)
- seizure control drugs (phenytoin)
- heart meds
____ _____ can be an increase output of certain types of fibroblasts
the amount of _______ with gingival hyperplasia can be related to ____ ____ combined with bacterial ______
- drug dose
what is the treatment for gingival hyperplasia?
removal of overgrowth
what are four examples of causes for gingival hyperplasia
- increase fibroblasts
- drug dose and biofilm
t/f orthodontics can cause gingival hyperplasia
what are four clinical considerations with the junctional epithelium
- permeable tissue
- gingival fluid
the junctional epithelium is permeable the ____ ____ ___ and ____ ______ infiltrate
- white blood cells
- biofilm microorganisms
what are four signs of gingivitis
- epithelial ulceration
- tissue thinning
- increased sulcular fluid
what supplies minerals for subgingival calculus formation?
t/f exudate can be measured to indicate the activity of disease
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