Dental Irritants and Pulpal Inflammation

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What type of irritants can cause inflammation of pulpal or periradicular tissues?

Only living irritants

Neither living nor nonliving irritants

Only nonliving irritants

Both living and nonliving irritants (correct)

What type of microorganisms are present in carious dentin and enamel?

Klebsiella pneumoniae and Pseudomonas aeruginosa

Actinomyces and Streptococcus pyogenes

Streptococcus pneumoniae and Escherichia coli

Streptococcus mutans and lactobacilli (correct)

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 (correct)

Infiltration by polymorph nuclear (PMN) leukocytes

Infiltration by basophils and mast cells

Infiltration by neutrophils and eosinophils

What happens to the pulp tissue when actual exposure occurs?

It becomes necrotic and liquefied Signup and view all the answers

What colonize and persist at the site of necrosis after pulp exposure?

Bacteria Signup and view all the answers

What can also irritate pulp or periradicular tissues?

Only mechanical irritants Signup and view all the answers

What is the result of chronic inflammation of the young pulp in carious crowns?

Hyperplastic pulpitis Signup and view all the answers

What is the recommended treatment for teeth with signs and symptoms of irreversible pulpitis?

Root canal treatment or extraction Signup and view all the answers

What is the characteristic discoloration of the crown in calcific metamorphosis?

Yellowish Signup and view all the answers

What is a common symptom of hyperplastic pulpitis?

No symptoms at all Signup and view all the answers

What is the usual response to pulpal and periapical tests in intracanal resorption?

Within normal limits Signup and view all the answers

What can cause extensive calcification in the pulp?

Trauma or caries Signup and view all the answers

What is the recommended treatment for intracanal resorption?

Immediate removal of inflamed tissue and institution of root canal treatment Signup and view all the answers

What is a possible nidus for pulp calcification?

Thrombi in blood vessels Signup and view all the answers

What is the result of progressive internal resorption involving the pulp chamber?

Pink spots in the crown Signup and view all the answers

What can occur in response to irritation or death and replacement of odontoblasts?

Extensive formation of hard tissue on dentin walls Signup and view all the answers

What is the characteristic of the pulp in intracanal resorption?

Vascularized inflammatory tissue Signup and view all the answers

What is the consequence of progressive internal resorption involving the lateral periodontium?

Pulpal necrosis Signup and view all the answers

What is the clinical diagnostic category indicating death of the dental pulp?

Pulpal necrosis Signup and view all the answers

What type of symptoms are associated with acute apical periodontitis?

Pain or swelling Signup and view all the answers

What is the characteristic of normal apical tissues?

Not sensitive to percussion or palpation testing Signup and view all the answers

What is the characteristic of symptomatic apical periodontitis?

Painful response to biting and/or percussion or palpation Signup and view all the answers

What is asymptomatic apical periodontitis?

Inflammation and destruction of the apical periodontium with no symptoms Signup and view all the answers

What is the result of pulp necrosis by itself?

Does not cause apical periodontitis unless the canal is infected Signup and view all the answers

What characterizes a chronic apical abscess?

Gradual onset, little or no discomfort, and intermittent discharge of pus Signup and view all the answers

What is typical of an acute apical abscess?

Rapid onset, spontaneous pain, and extreme tenderness of the tooth to pressure Signup and view all the answers

What radiographic signs are typically seen in a chronic apical abscess?

Radiolucency Signup and view all the answers

What is condensing osteitis?

A diffuse radiopaque lesion representing a localized bony reaction to a low-grade inflammatory stimulus Signup and view all the answers

What symptoms are often experienced by patients with an acute apical abscess?

Malaise, fever, and lymphadenopathy Signup and view all the answers