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F08 Bio Basis Final
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69
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11/05/2008

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Term
cardiovascular disease, preterm low-birth weight infants, diabetes, respiratory disease
Definition
Evidence suggests periodontitis may be related to the risk for:
_______, _______, ______, ______
Term
All of the above!
Definition
Microbial plaque contains all of the following except:
a. bacteria
b. fungus
c. protozoa
d. viruses
e. mycoplasm
f. all of the above are components of microbial plaque
Term
biofilm
Definition
_____ is the primary etiologic factor in the development of periodontal diseases.
Term
20-25 bacteria
Definition
___-___ bacteria have significant impact on periodontal health.
Term
True!!
Definition
T/F: 20-25 bacteria have significant impact on periodontal health, but only a few are closely associated with periodontitis.
Term
1. A.a.
2. Porphyromonas gingivalis (P.g.)
3. Tannerella forsythia (T.f.)
4. Treponema denticola (T.d.)
Definition
List 4 bacteria closely associated with periodontitis:
Term
innate risk factors
Definition
Race, sex, genetic factors, phagocytic dysfunction, down's syndrome, papillon-leferve/ehlers-dantos syndrome are all examples of ____.
Term
rubor, tumor, calor, dolor, functio laesa
Definition
____ is redness.
____ is swelling.
____ is heat.
____ is pain.
____ is loss of function.
Term
tissue injury
Definition
____ leads to release of chemical mediators that increase permeability of adjacent small blood vessels.
Term
blood vessel dilation and increased permeability to plasma, which may clot
Definition
______/_____ cause swelling of tissues due to plasma leakage, elevated temperature from increased blood flow in dialated vessels, redness, pain from increased fluid in tissues and direct effect of chemicals on sensory nerve endings.
Term
circulating WBC adhere to walls of altered blood vessels
Definition
_____ leads to WBC chemotaxis through vessel walls and to area of injury induce phagocytosis of foreign material and tissue debris and initiate Ab production.
Term
histamine
Definition
____ dilates and increases permeability of small blood vessels and constricts bronchi.
Term
chemotactic factors
Definition
____ cause eosinophil and PMN chemotaxis.
Term
3-6
Definition
Interleukins ___-___ have many interactions with periodontitis and inflammation.
Term
TNF alpha
Definition
____ recruits granulocytes to area of inflammation and induces fever.
Term
leukotrienes
Definition
____ dilate small blood vessels, constrict bronchi, and cause chemotaxis of leukocytes
Term
prostaglandins
Definition
____ increase vascular permeability and regulate immune responses
Term
histamine, chemotactic factors, interleukins 2-6, TNF alpha, leukotrienes, prostaglandins
Definition
____, ____, ____, ____, ____, ___ are all chemical mediators released from mast cells during inflammation.
Term
acute phase proteins
Definition
_____ are plasma proteins increased to to microbial infection and include c-reactive protein, fibrinogen, complement, mannose-binding protein, metal-binding prteins and alpha-antitrypsin/anticymotypsin
Term
mannose-binding protein
metal-binding protein
Definition
___ is an acute phase protein that deals with receptor sites. lactoferrin is an example of _____.
Term
high LDL, c-reactive protein
Definition
Tobacco smoking and ____ LDL are risk factors for cardiovascular disease. _____ protein is a risk factor for MI.
Term
complements
Definition
____ consist of at least 11 proteins and glycoproteins (10% of proteins in normal serum), are not affected by immunization, and are synthesized in liver, small intestine, macrophages and other mononuclear cells
Term
PMNs
Definition
____ utilize phagocytosis, release enzymes and chemical mediators, leave circulation to get to site of action, sticks to endothelium, and squeezes through endothelium
Term
selectins/adhesions, diapedesis, inflammatory mediators/bacteria, phagocytosis
Definition
PMNS stick to endothelium by ____ and ____, squeeze through endothelium by _____, utilize _____ and ____ for chemotaxis, kills bacteria by ____ and then die.
Term
Primary proteinases
Definition
______ involved in periodontal tissue degradation are a family of 17 metalloproteinases, degrade extracellular matrix molecules and participate in tissue destruction and AL
Term
extracellular matrix molecules
Definition
Collagen, gelatin and elastin are examples of ____.
Term
Elastase, inactivated by alpha-1 proteinase inhibitor (primary defense), alpha 2 macroglobulin and secretory leukoproteinase inhibitor
Definition
____ is a highly active non-specific serum protease inactivated in tissues by powerful anti-proteases such as __, __, and ____.
Term
collagenase/gelatinase
Definition
_____/_____ are metalloproteases synthesized and released in a latent (proenzyme) form capable of degrading extracellular matrix.
Term
neutrophil proteases, neutrophil dependent
Definition
____ ____ are not thought to be significantly involved in tissue damage because tissues are bathed in powerful plasma antiproteases, metalloproteases are released in latent/inactive form, anti-oxidants exert strong anti-inflammatory effects in _____-dependent tissue damage model systems.
Term
HOCl
Definition
____ can oxidatively inactivate 3 major tissues anti-proteases, and activate collagenase and gelatinase.
Term
inactivate anti-proteases, activate collagenase and gelatinase
Definition
HOCl can oxidatively inactivate 3 major tissue _____, and activate ____ and _____.
Term
IgG, IgM, IgA, IgD, IgE
Definition
Ig_ deals with complement fixation and opsonization and can cross placenta. Ig_ deals with complement fixation and opsonization. Ig_ is secreted in milk, mucus and saliva and protect mucus membranes by preventing attachment of organisms. Ig_ deals with the development and maturation of antibody response. Ig_ attaches to mast cells and basophils and deal with allergic reactions like hay fever.
Term
disease, they respond to LPS
Definition
IL-1, TNFalpha, IL-8, PGE2 and MMPs are all immune mediators that respond to (health/disease).
Term
IL-1
Definition
___ stimulates fibroblasts to release PGE2 (bone resorption), MMP (extracellular matrix destruction) and osteoblasts to form osteoclasts (bone resorption)
Term
lymphocytes
Definition
___ are involved in regulation of immune response by helping regulate production of antibodies, activating macrophages, direct killing of T cells by natural killer cells, and communicate with other cells by interleukins and cytokines.
Term
cytokines
Definition
___ are referred to as interleukins, may be pleiomorphic or may elicit similar responses.
Term
Definition
You ended at slide 90 of the Pathogenesis of PDD (Final) ppt.
Term
IL-1
Definition
IL-__ is involved in CD4 activation, B-cell maturation, PMN/macrophage chemotaxis, it increases NK cell activity, is secreted by monocytes, macrophages, b-cells, fibroblasts, PMNs, epithelial cells and other stimulated cells.
Term
True!!
Definition
T/F: IL-1 is found in gingival tissue and crevicular fluid and decreases after periodontal tx.
Term
IL-6
Definition
IL-__ stimulates plasma cell proliferation, activates CD4 cells (with IL-1), is secreted by CD4, macrophages, monocytes, fibroblasts and endothelial cells. It increases in sites of gingival inflammation and plays a role in bone resorption.
Term
TNF (alpha and beta)
Definition
___ is produced by macrophages and CD4 cells, causes necrosis of some tumors, and activates osteoclasts.
Term
TNF alpha
Definition
TNF(a/b) is produced after stimulation of macrophages and fibroblasts by LPS and increases PMN adherence to endothelial cells.
Term
Arachidonic acid metabolites
Definition
___ acid metabolites are markers for periodontal disease activity.
Term
arachidonic acid metabolites
Definition
___ acid metabolites induces increased vasopermeability and vasodilation (= redness/edema) and induces MMP secretion by monocytes/fibroblasts (= connective tissue destruction)
Term
True!
Definition
T/F: Gingival crevicula fluid PGE2 levels are higher in refractory, early onset (aggressive) and diabetic periodontitis.
Term
Matrix metaloproteinases (MMPs)
Definition
__ ___ are involved in periodontal tissue and extracellular matrix molecule (collage, gelatin, elastin) degradation.
Term
MMPs, they inhibit the destruction of periodontal structures
Definition
Chemically modified tetracycline and low-dose doxycycline inhibit the activity of ___.
Term
enzymes, immunoglobulins, inflammatory mediators, cytokines, cell/tissue degradation products, alkalina phosphatase, glucuronidase, IgG4, IL1, beta elastase, AAT, PGE2
Definition
Name a couple things that are found in crevicular fluid.
Term
True!
Definition
T/F: As periodontal disease is established, the bacterial infection causes an increase in systemic inflammation and may cause problems in distant sites such as carotid artery, heart valves, arteries, lungs and gut.
Term
diabetes
Definition
___ is the malfunction of insulin-dependent glucose and lipid metabolism
Term
I = insulin dependent, II = non-insulin depenedent
Definition
Type __ is Insulin dependent diabetes mellitis, type __ is non-insulin dependent diabetes mellitis.
Term
type I, type II, gestational, secondary, impaired glucose tolerance/impaired fasting glucose
Definition
Name the 5 types of diabetes
Term
type I
Definition
Type __ diabetes is where the body's immune system destroys pancreatic beta cells, usually effects children and young adults, 5-10% of all diagnosed cases
Term
type II
Definition
Type __ diabetes accounts for 90-95% of cases, deals with insulin resistance/cells do not use insulin properly, is associated with old age and obesity.
Term
gestational diabetes
Definition
___ diabetes is glucose intolerance that is diagnosed during pregnancy, requires tx to normalize maternal blood glucose levels to avoid complications in infant.
Term
5-10%
Definition
__-__% of women with gestational diabetes have type II after pregnancy.
Term
diabetes
Definition
Insulin resistance, production of AGES, and metabolic syndrome are disorders related to ___.
Term
retinopathy, nephropathy, neuropathy
Definition
complications of diabetes: ___ is a noninflammatory damage to retina, ___ is damage to kidneys, ___ is a deranged function of nerves.
Term
8% = poor control, 7-8% = moderate control.
Definition
__% = poor control, _-_% = moderate control.
Term
poor control
Definition
In diabetic patients with __ control you may treat them in mergencies such as abscesses only and antibiotics may be indicated. Medical management is necessary.
Term
good control
Definition
diabetic patients with __ control may be treated as non-diabetics and the full-range of periodontal therapy is possible.
Term
moderate control
Definition
In diabetic patients with ___ control, emergency care and case by case management dependent on response to therapy are possible. Also encourage need for more medical management.
Term
diabetes
Definition
Oral signs of ___ are foamy saliva, unusually dry and irritated tissue, and severe periodontal inflammation.
Term
AGES
Definition
___ can interfere with the proper functioning of proteins to which they are attached, they result in collagen accumulation in periodontal capillary membranes (membrane thickening).
Term
increases, decreases
Definition
AGE (increases/decreases) collagenase production which degrades newly formed collagen and (increases/decreases) solubility of AGE modified collagen.
Term
monocytes, macrophages and endothelial cells
Definition
___, __ and ___ have receptors for AGES (RAGES)
Term
endothelial cells
Definition
AGEs effect ___ cells and lead to focal thrombosis and vasoconstriction, hyperpermeability and hyperexpression of adhesion molecules.
Term
hemorrhagic, nonhemorrhagic/ischemic
Definition
___ stroke is caused by bleeding into the brain not associated with periodontal disease. ___/___ stroke is caused by blockage of blood vessel supplying the brain associated with periodontal disease
Term
PGE2 and TNFalpha
Definition
Inflammatory mediators secrete ___ and __ that may cause the maternal immune system to release chemicals that may foster premature labor.
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