Term
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Definition
specific tooth or surfaces of a tooth that have periodontal disease |
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Term
What are local contributing factors? |
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Definition
oral conditions that increase an individual's susceptibility to periodontal disease, increase risk |
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Term
What are some examples of local contributing factors? |
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Definition
-calculus -faulty restorations -dental decay |
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Term
Do local contributing factors initiate perio disease? |
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Definition
no, they contribut to the process already initiated by bacterial biofilm, increase the risk |
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Term
What are some ways in which local contributing factors increase the risk for periodontal disease? |
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Definition
1.increase biofilm retention 2.incease biofilm pathogenicity 3.cause direct damage to the periodomtium |
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Term
What are some local factors that increase biofilm retention? |
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Definition
-calculus -tooth morphology |
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Term
Why does bacteria gather on the surface of calculus? |
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Definition
-surface is irregular -rough surface harbors bacteria |
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Term
Is the surface of caculus always covered with bacteria? |
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Definition
yes, it is always covered with disease causing bacteria |
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Term
What are some factors that effect the calculus attachment to the tooth surface? |
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Definition
-aquired pellicle -tooth irregularities -direct contact to the tooth |
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Term
What are some tooth morphology factors that increase biofilm retention? |
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Definition
-developmental grooves -root concavities |
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Term
What do root concavities harbor? What do they cause? |
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Definition
-harbor bacteria -cause increase incidence of disease |
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Term
Where are root concavities usually found? Are they easy to clean? |
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Definition
-mesial, buccal concavities -deep pockets *no they are impossible for the patient to clean* |
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Term
Can flosses effectively remove the biofilm found in a concavity? If not what can? |
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Definition
no floss cannot effectively remove biofilm in concavities, interdental brushes are more effective |
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Term
What are some other anatomic factors? (3) |
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Definition
1.cervical enamel projections 2.enamel pearls 3.position of teeth in arch |
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Term
What are some dental related factors that can cause damage to the periodomtium? |
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Definition
-restorations -untreated caries -orthodontics |
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Term
What are some examples of restorations that can cause damage to the periodomtium? |
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Definition
-rough surfaces -over contoured restorations -overhangs -trauma |
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Term
Why does untreated tooth decay cause periodontal disease? |
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Definition
because decay harbors periodontal pathogens, and if untreated the grow undisturbed |
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Term
What is an example of an orthodontic appliance that causes damage to the periodontium? |
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Definition
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Term
What are some things that cause direct damage to the periodontium? (4) |
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Definition
-food impaction -patient habits -faulty restorations -occlusal forces |
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Term
What does food impaction do to the tooth? |
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Definition
-strips gingival tissues away from tooth surface -alters gingival contour (resulting in interdental areas that are hard for the patient to clean) |
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Term
What are some patient habits that cause direct damage to the periodontium? (3) |
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Definition
-improper use of self-care aids (flossing too hard) -misuse of toothpicks -tongue thrusts |
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Term
How does damage from faulty restorations occur? |
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Definition
the encroach on the biological width- the margin of the crown is closer than 2 mm from the crest of the alveolar bone, causes resorption of bone |
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Term
What is the biological width? |
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Definition
the space inhabited by the JE and the connective tissue fibers |
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Term
What is the biological width? |
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Definition
the space inhabited by the JE and the connective tissue fibers |
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Term
What can bulky crowns result in? What happens to the papilla? |
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Definition
inadequate space between teeth, the papilla then enlarge because it is pushed up between the teeth |
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Term
What can faulty removable prosthesis cause? |
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Definition
-damage to the gingival tissues, thus promoting biofilm retention |
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Term
What are functional occlusal forces? |
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Definition
normal forces when chewing food |
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Term
What are parafunctional chewing forces? |
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Definition
forces not associated with chewing food |
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Term
What are some examples of some parafunctional occlusal forces? |
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Definition
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Term
What do parafunctional occlusal forces cause? What can be done to stop this? |
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Definition
-can cause damage to the periodontium -thearpy or night guard |
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Term
What are some signs of trauma from occlusion? |
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Definition
-tooth mobility -sensitivity to pressure -migration of teeth -enlarged funnel shaped PDL -alveolar bone resorption |
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Term
What is some radiographic evidence of trauma from occlusion? |
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Definition
-loss of aveolar bone along the lateral surfaces -widening of the PDL |
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Term
What are some things that can cause primary occlusal trauma? |
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Definition
-high restoration -excessive force on abutement teeth from partial denture |
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Term
What does primary occlusal trauma cause? |
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Definition
-wider PDL, tooth mobility, pain |
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Term
Are the changes with primary occlusal trauma reversible? |
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Definition
yes, if the trauma is removed |
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Term
What is primary occlusal trauma? |
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Definition
injury to the periodomtium resulting from excessive occlusal forces |
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Term
What is secondary occlusal trauma? |
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Definition
injury to the periodontium from normal occlusal forces on a reduced periodontium (previously damaged) |
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Term
What may secondary occlusal trauma result in? |
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Definition
rapid bone loss and pocket formation |
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Term
What do lateral occlusal forces cause? |
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Definition
tipping of the tooth within the socket |
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Term
What does the "P" in lateral occlusal forces cause? The "T"? |
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Definition
P=area of pressure (the way the tooth is leaning) T=area of tension (the tooth is leaning away from the area) |
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Term
What happens to teeth with reduced bone height? |
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Definition
-teeth with reduced bone height from perio disease get moved laterally from tooth next to it |
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Term
Smokers are BLANK to BLANK times more likely to have severe loss of attachment. |
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Definition
Smokers are 12 to 14 times more likely to have severe loss of attachment. |
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Term
What are smokers more likely to loose? |
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Definition
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Term
How likely are smokers to exhibit periodontal destruction? |
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Definition
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Term
Smokers are BLANK times more likely to be infected with periodontal pathogens. |
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Definition
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Term
What are smokers likely to clinically exhibit? |
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Definition
-more attachment loss and recession -more alveolar bone loss -more deep pockets -more furcations -more tooth loss |
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Term
What is one of the most important risk factors for periodontal disease? |
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Definition
smoking, causes an increased inflammatory response |
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Term
What does the tissue look like with smokers? |
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Definition
-reduced clinical inflammation(edema) -fibrotic appearance -reduced bleeding |
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Term
Does lack of bleeding upon probing or no signs of inflammation indicate health in smokers? |
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Definition
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Term
What does tobacco smoke inhibit? |
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Definition
leukocyte(PMN) and macrophage defensive functions |
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Term
What does tobacco smoke increase? |
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Definition
the production of cytokins(inflammatory mediators) |
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Term
What does smoking impair? |
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Definition
healing--> less probing depth reduction or attachment gain |
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Term
When a cigarette is smoked, how many chemicals are released? How many of those are cancer casuing? |
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Definition
4,000 chemicals released, 60 of those are cancer causing |
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Term
What is the severity of periodontal attachment loss directly related to in smokers? |
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Definition
-# cigarettes smoked/day -# of years the individual has smoked |
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Term
What is strongly recommended in periodontal therapy? |
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Definition
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Term
What is the ADA's method for tobacco cessation? |
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Definition
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Term
What are some systemic risk factors for periodontal disease? |
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Definition
-tobacco use -diabetes -leukemia -AIDs -osteoperosis -hormonal variations -down syndrome |
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Term
Genetics may account for BLANK percent of periodontal disease. |
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Definition
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Term
What is the genetic factor that can cause perio? |
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Definition
abnormalities in PMN function can lead to overwheling bacterial infection and severe periodontal destruction |
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Term
Are there genetic tests for periodontal disease? |
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Definition
-no, they are difficult to develop -there is not a single gene responsible for it |
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Term
What can systemic medications do? |
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Definition
increase the risk of periodontal disease |
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Term
What does sugar do to the pH of your mouth? |
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Definition
decrease(increases acidic pH) |
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Term
What is sugar metabolized by? |
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Definition
bacteria which demineralizes enamel |
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Term
WHat are some drugs with Xerostomic effects? |
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Definition
-antihypertensives -narcotics -tranquilizers -diruetics -antimetabolites -antihistamines -sedatives **more than 400 OTC & Rx drugs** |
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Term
What are the three major classes of drugs that cause gingival enlargement? |
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Definition
1.Anticonvulsants(phenytoin-Dilantin, seen with 50%) 2.immunosuppressive(autoimmune and transplant patients- cyclysporine, 25%) 3.Calcium channel blockers(anti hypertensive, angina, arrythmias, nifedipine- 38%) |
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Term
At least BLANK medications have the potential to enlarge the gingiva. |
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Definition
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Term
What is the primary etiology of perio? |
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Definition
-bacteria! -AA, Tanerella forsythesis, P. Gingivalis (mr.perio) |
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Term
What are some other risk factors? |
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Definition
-heredity(immune deficiency, genetic syndrome) -systemic disease(diabetes) -medications |
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Term
What are some habits that can increase the risk for periodontitis? |
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Definition
-self care(plaque control) -professional care(recall) -smoking -alcohol -diet |
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Term
What are some social atmosphere things that can increase the risk for periodonitits? (5) |
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Definition
-family/upbringing -culture -socioeconomic factors -access to dental care -dental insurance |
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