Term
What is the pulp? How does it react to injury? |
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Definition
-connective tissue -reacts to injury with inflammatory response |
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Term
Where does inflammation of the pulp begin? Where does it go? |
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Definition
inflammation starts in the pulp and travels to the periapical region |
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Term
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Definition
no, the anatomy of the tooth does not allow for swelling so the only route swelling xan go is though the canal into the periapical area |
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Term
What may accessory canals lead to? |
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Definition
inflammation on the lateral portion of the root |
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Term
What is the primary cause of pulpitis? What are some other causes? |
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Definition
-primary cause are caries- -other causes: cracks in crown or root periodontal pockets trauma from blows bruxism, abrasion, erosion excessive heat |
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Term
What are the two types of pulpitis? |
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Definition
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Term
In reversible pulpitis, what are the symptoms? |
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Definition
-asymptomatic unless stimulated -when stimulated, pain is sharp and intense |
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Term
What is usually the stimulant that causes pain in reversible pulpitis? How long does the pain last? |
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Definition
-temperature change(cold) -pain remains for 5-10 mins |
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Term
Do changes in your body like laying down have an effect on reversible pulpitis? What is the histology of it? |
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Definition
-body changes have no effect -mild inflammatory reaction, dilation of blood vessels, edema, stasis |
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Term
What is the treatment for reversible pulpitis? |
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Definition
protect pulp from further stimulation |
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Term
What is irreversible pulpitis? |
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Definition
pulpal tissues exhibit acute and chronic inflammatory changes |
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Term
What is the pain like in irreversible pulpitis? |
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Definition
-less intense than reversible because of granulation tissue replacing pulp -spontaneous, not the result of temperature -pain lasts longer(~20 mins) -pain may be initiated or worsen when person lays down |
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Term
Is irreversible pulpitis hard to identify? What is the treatment? |
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Definition
-hard to identify which tooth it is in -root canal or extraction is the treatment |
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Term
What causes chronic hyperplastic pulpitis? Who is it seen in? |
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Definition
-rare condition seen in children's molars -result of rampant, acute caries |
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Term
What happens with chronic hyperplastic pulpitis? |
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Definition
crown disintegrates before the pulp is overcome by the infection, apical foramen still oen allows for ample blood supply |
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Term
What does the increased regenerative capacity of children lead to? |
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Definition
granulation tissue, often protruding out of the crown |
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Term
When do periapical lesions occur? |
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Definition
once inflammation is established, spread occurs in one direction |
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Term
What direction does inflammation spread in periapical lesions? |
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Definition
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Term
What do the periapical lesions that form depend on? |
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Definition
-open or closed pulpitis -virulence of microorganisms -extent of sclerosis of dentinal tubules -host immune response |
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Term
What are some factors of open chronic pulpitis? |
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Definition
-low virulence bacteria -older tooth with sclerotic dentin -healthy patient=mild, chronic symptoms, granulation tissue forms, dense bone |
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Term
What are some factors of close, acute pulpitis? |
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Definition
-virulent bacteria -young tooth with open dentinal tubules -rapid, intense destruction extending into adjacent marrow spaces |
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Term
What are some common lesions to follow pulpitis? |
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Definition
-periapical granuloma(most common) -periapical cyst -periapical abcess -osteomyelitis -cellulitis(can cause death) |
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Term
What is a periapical abscess? |
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Definition
initial lesion that develops when actue pulpitis extends into adjacent tissue |
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Term
Is a periapical abscess acute or chronic? |
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Definition
can occur in an acute episode or chronic |
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Term
What are the symptoms of a periapical abscess? |
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Definition
-great pain, elevated temperature, and malaise -swelling and redness at the root apex |
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Term
What do you see radiographically with a periapical abscess? |
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Definition
-arises quickly -slight widening of the PDL -indistinct fuzziness of the trabecular pattern |
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Term
Pus seeks drainage along the path of BLANK. |
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Definition
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Term
What is the treatment for a periapical abscess? |
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Definition
-incise and drain(may need antibiotics) -if caught late an extraction or root anal may be necessary |
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Term
What is the tooth like with a periapical abscess? What will a percussion test do? |
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Definition
extruded in the pocket, percussion test will produce intense pain |
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Term
When do periapical granuloma's form? |
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Definition
occur as chronic pulpitis progresses into periapical region |
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Term
What is the most common lesion that occurs after pulp necrosis? |
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Definition
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Term
Is a periapical granuloma, cyst, and abscess radiolocent or radiopaque? |
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Definition
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Term
What does a periapical granuloma appear like radiographically? |
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Definition
-PDL space will appear widened -wll demarticated, oval or rounded radiolucency at the apex -long standing lesions may show hypercementosis and resoprtion of the root tip |
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Term
What does a tooth with periapcial granuloma test like? Is their pain? |
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Definition
-initially my exhibit evidence of vitality when pulp tested, may have a slight response to percussion test -as it progresses and pulp necrosis is complete, it is painless and there is no response in pulp testing -pulp not consists of granulation and dense fibrous tissue |
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Term
What is the treatment for a periapical granuloma? |
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Definition
1.root canal 2.apioectomy 3.extraction |
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Term
When do periapical cysts commonly develop? |
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Definition
-in long-standing untreated periapical granuloma -epilthelial rests of malassez are stimulated by the low-grade inflammation |
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Term
How can periapical cysts develop? |
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Definition
continuously until it destroys large portions of the alveolar bone |
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Term
What does a periapical cyst appear like radiographically? |
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Definition
well circumsized uniocular rdioluciency |
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Term
What is the treatment for a periapical cyst? |
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Definition
surgical removal, should be microscopically examined to make sure it is not one of the aggressive lesions |
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Term
What should you do after a root canal? |
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Definition
root canal, check 6 months later for a possible residual cyst which can form from left over epithelial cells from root |
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Term
What is osteomyelitis? What is it most commonly caused by? |
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Definition
an inflammatory process within trabeular bone, most commonly caused by direct extension of an untreated periapical abscess |
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Term
What else can osteomyeltis be caused by? |
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Definition
radiation therapy to the head because this causes blood supply yo be compromised |
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Term
is osteomyelitis actue or chronic? |
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Definition
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Term
What is the pain like in acute osteomyelitis? What are the symptoms? |
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Definition
-severe pain -elevated temp and lymphadenopathy -drainage results in the reduction of symptoms |
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Term
What does acute osteomyelitis look like radiographically? |
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Definition
-no immediate features as exudate progresses through marrow spaces -areas of bone may appear radiolucient as it progresses |
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Term
Sequestrum is seen with acute osteomyelitis. What is this? |
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Definition
represents islands of dead bone surrounded by purulent exudate |
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Term
What is the treatment for acute osteomyelitis? |
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Definition
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Term
When does chronic osteomyelisits occur? Is there pain? |
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Definition
-occurs in response to a low-grade inflammatory process -little or no pain |
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Term
What causes chronic osteomyelitis? |
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Definition
osteocytes often stimulated causing trabicular bone to become denser |
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Term
What will chronic ostromyelitis look like radiographically? |
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Definition
molted, radiopaque area refered to as osteoclerosis or sclerosing osteomyelitis |
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Term
What is garre Osteomyelitis? |
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Definition
occurs in children as hyperplastic reacion to chronioc osteomyelitis |
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Term
What happens with chonic osteomyelitis? |
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Definition
periosteum s stimulated, laying down layers of new bone |
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Term
What is the treatment for Sclerosing osteomyelitis? Garre? |
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Definition
Sclerosing-none, dense bone remains Garre- reverts to normal after source is eliminated |
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Term
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Definition
painful swelling of the tissue of the head and face resulting from the spread of purulent exudate along the fascial planes |
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Term
What does cellulitis most commonly occur as a result of? |
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Definition
extension of a periapical abscess into soft tissue |
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Term
What is a parulis or fistula? |
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Definition
the site of a exudate draining tract |
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Term
What do the enzymes from the bacteria do in cellulitis? |
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Definition
break down fascia surrounding muscle bundles, this allows the exudate to spread |
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Term
What are some symptoms of cellulitis? |
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Definition
swelling, pain, elevated temperature, malaise, and lymphadenopathy |
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Term
What can maxilla involvement of cellulitis cause? What can mandibular involvement cause? |
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Definition
maxilla-can spread to eye and brain mandibular-can spread into floor of the mouth, neck, and result in suffocation |
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Term
What is it called when cellulitis spreads manbibular into floor of the mouth, neck, resulting in suffocation? |
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Definition
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Term
What do pulp stones often result from? |
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Definition
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Term
Is there any pain or clinical significance? |
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Definition
no pain or clinical significance |
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Term
How do pulp stones appear on a radiograph? |
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Definition
appear as radiopaque round masses either free or attached to the pulp |
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Term
What do pulp stones resemble? What is the treatment for pulp stones? |
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Definition
-resemble secondary dentin -no treatment necessary |
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Term
What is external resorption? |
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Definition
loss of tooth structure that begins on the outside |
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Term
What causes external resorption? What does it look like on radiographs? |
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Definition
-often a result of pressure from tumors, cysts, excessive occlusal or mechanical forces or impaction -can appear as a ragged outline or blunted apex |
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Term
Where does internal resorption begin? |
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Definition
within the pulp, dentin resorbes and is thinner than normal |
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Term
What is seen with internal resorption? What does it look like radiographically? |
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Definition
-inflamed CT can be seen through -tooth appears pink -radiographically the pulp chamber has enlarged |
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Term
What can happen to a tooth after a root canal? |
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Definition
tooth becomes brittle after root canal make it more prone to fracture |
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Term
What is alveolar osteitis commonly called? What is it? |
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Definition
-dry socket -is a post operative complication of a tooth extraction |
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Term
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Definition
-clot is lost before healing has occurred -raw, denuded bone is exposed |
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Term
What are the signs of a dry socket? |
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Definition
-very painful -bad odor and taste -no fever or swelling(not an infection) |
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Term
What is the treatment for a dry socket? |
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Definition
-pain relievers -gentle irrigation of socket -medicated dressing |
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Term
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Definition
inflammation of the mucosa around a partially erupted tooth(usually 3rd molar) |
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Term
What is the flap of tissue in pericoronitis called? |
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Definition
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Term
What are the treatments of pericoronitis? |
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Definition
-irrigation -antibiotics -extraction or trim of the operculum |
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