29 Questions
What type of irritants can cause inflammation of pulpal or periradicular tissues?
Both living and nonliving irritants
What type of microorganisms are present in carious dentin and enamel?
Streptococcus mutans and lactobacilli
What is the primary response of pulp tissue to the presence of microorganisms and their by-products in dentin?
Infiltration by chronic inflammatory cells such as macrophages, lymphocytes, and plasma cells
What happens to the pulp tissue when actual exposure occurs?
It becomes necrotic and liquefied
What colonize and persist at the site of necrosis after pulp exposure?
Bacteria
What can also irritate pulp or periradicular tissues?
Only mechanical irritants
What is the result of chronic inflammation of the young pulp in carious crowns?
Hyperplastic pulpitis
What is the recommended treatment for teeth with signs and symptoms of irreversible pulpitis?
Root canal treatment or extraction
What is the characteristic discoloration of the crown in calcific metamorphosis?
Yellowish
What is a common symptom of hyperplastic pulpitis?
No symptoms at all
What is the usual response to pulpal and periapical tests in intracanal resorption?
Within normal limits
What can cause extensive calcification in the pulp?
Trauma or caries
What is the recommended treatment for intracanal resorption?
Immediate removal of inflamed tissue and institution of root canal treatment
What is a possible nidus for pulp calcification?
Thrombi in blood vessels
What is the result of progressive internal resorption involving the pulp chamber?
Pink spots in the crown
What can occur in response to irritation or death and replacement of odontoblasts?
Extensive formation of hard tissue on dentin walls
What is the characteristic of the pulp in intracanal resorption?
Vascularized inflammatory tissue
What is the consequence of progressive internal resorption involving the lateral periodontium?
Pulpal necrosis
What is the clinical diagnostic category indicating death of the dental pulp?
Pulpal necrosis
What type of symptoms are associated with acute apical periodontitis?
Pain or swelling
What is the characteristic of normal apical tissues?
Not sensitive to percussion or palpation testing
What is the characteristic of symptomatic apical periodontitis?
Painful response to biting and/or percussion or palpation
What is asymptomatic apical periodontitis?
Inflammation and destruction of the apical periodontium with no symptoms
What is the result of pulp necrosis by itself?
Does not cause apical periodontitis unless the canal is infected
What characterizes a chronic apical abscess?
Gradual onset, little or no discomfort, and intermittent discharge of pus
What is typical of an acute apical abscess?
Rapid onset, spontaneous pain, and extreme tenderness of the tooth to pressure
What radiographic signs are typically seen in a chronic apical abscess?
Radiolucency
What is condensing osteitis?
A diffuse radiopaque lesion representing a localized bony reaction to a low-grade inflammatory stimulus
What symptoms are often experienced by patients with an acute apical abscess?
Malaise, fever, and lymphadenopathy
This quiz covers the different types of irritants that can cause inflammation in pulpal or periradicular tissues, including microorganisms, mechanical, thermal, and chemical irritants.
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