Dental Irritants and Pulpal Inflammation
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Questions and Answers

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?

<p>It becomes necrotic and liquefied (A)</p> Signup and view all the answers

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

<p>Bacteria (B)</p> Signup and view all the answers

What can also irritate pulp or periradicular tissues?

<p>Only mechanical irritants (C)</p> Signup and view all the answers

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

<p>Hyperplastic pulpitis (A)</p> Signup and view all the answers

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

<p>Root canal treatment or extraction (C)</p> Signup and view all the answers

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

<p>Yellowish (B)</p> Signup and view all the answers

What is a common symptom of hyperplastic pulpitis?

<p>No symptoms at all (D)</p> Signup and view all the answers

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

<p>Within normal limits (D)</p> Signup and view all the answers

What can cause extensive calcification in the pulp?

<p>Trauma or caries (A)</p> Signup and view all the answers

What is the recommended treatment for intracanal resorption?

<p>Immediate removal of inflamed tissue and institution of root canal treatment (C)</p> Signup and view all the answers

What is a possible nidus for pulp calcification?

<p>Thrombi in blood vessels (B)</p> Signup and view all the answers

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

<p>Pink spots in the crown (A)</p> Signup and view all the answers

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

<p>Extensive formation of hard tissue on dentin walls (D)</p> Signup and view all the answers

What is the characteristic of the pulp in intracanal resorption?

<p>Vascularized inflammatory tissue (D)</p> Signup and view all the answers

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

<p>Pulpal necrosis (D)</p> Signup and view all the answers

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

<p>Pulpal necrosis (B)</p> Signup and view all the answers

What type of symptoms are associated with acute apical periodontitis?

<p>Pain or swelling (B)</p> Signup and view all the answers

What is the characteristic of normal apical tissues?

<p>Not sensitive to percussion or palpation testing (A)</p> Signup and view all the answers

What is the characteristic of symptomatic apical periodontitis?

<p>Painful response to biting and/or percussion or palpation (C)</p> Signup and view all the answers

What is asymptomatic apical periodontitis?

<p>Inflammation and destruction of the apical periodontium with no symptoms (D)</p> Signup and view all the answers

What is the result of pulp necrosis by itself?

<p>Does not cause apical periodontitis unless the canal is infected (B)</p> Signup and view all the answers

What characterizes a chronic apical abscess?

<p>Gradual onset, little or no discomfort, and intermittent discharge of pus (B)</p> Signup and view all the answers

What is typical of an acute apical abscess?

<p>Rapid onset, spontaneous pain, and extreme tenderness of the tooth to pressure (B)</p> Signup and view all the answers

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

<p>Radiolucency (C)</p> Signup and view all the answers

What is condensing osteitis?

<p>A diffuse radiopaque lesion representing a localized bony reaction to a low-grade inflammatory stimulus (B)</p> Signup and view all the answers

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

<p>Malaise, fever, and lymphadenopathy (B)</p> Signup and view all the answers

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