38 Questions
What is the primary cause of periapical periodontitis?
Death of the pulp due to pulpitis
What is a common symptom of acute periapical periodontitis?
Intense throbbing pain
Radiographically, what is a characteristic of acute periapical periodontitis?
Widening of the periodontal ligament space
What is the pathology of acute periapical periodontitis?
Acute inflammation
When is a tooth responsive to vitality tests in a patient with acute periapical periodontitis?
If the pulpal necrosis is limited to a single canal in a multi-rooted tooth
What is a rare complication of acute periapical periodontitis?
Osteomyelitis
What is the radiographic appearance of the border of focal sclerosing osteitis?
No distinct border
What is the most common outcome of treating focal sclerosing osteitis with RCT or tooth extraction?
Resolution of symptoms in 85% of cases
What is the key radiographic feature of periapical granulomas?
Apical radiolucency
What is the histological appearance of periapical granulomas?
Bone replacement with inflamed soft tissue
What is a characteristic of granulation tissue in periapical granulomas?
Loose and oedematous with many new blood vessels
What is the process by which a periapical granuloma can lead to a radicular cyst?
Epithelial proliferation in cells of Malassez
What is the primary goal of endodontic treatment in managing acute periapical periodontitis?
To remove the infected pulp and prevent further infection
What is the common sequela of chronic periapical periodontitis?
Periapical granuloma
What is the characteristic radiographic feature of chronic periapical periodontitis?
A radiolucency
What is the primary difference between acute and chronic periapical periodontitis?
The duration of the infection
What is the purpose of open drainage through skin or mouth in managing acute periapical periodontitis?
To relieve symptoms of pain and swelling
What is the characteristic feature of a periapical granuloma?
Granulation tissue
What is the difference between a periapical granuloma and a radicular cyst?
Presence of epithelial lining
What is the purpose of radicular cyst enucleation in treating chronic periapical periodontitis?
To remove the cystic lesion
What is the characteristic feature of focal sclerosing osteitis?
Localised uniform bone sclerosis
What is the primary cause of periapical granuloma development?
Defensive reaction to bacteria
What is the outcome of acute inflammation when there is substantial tissue destruction and in non-regenerating tissues?
Healing by connective tissue replacement (fibrosis) occurs
What type of cells are involved in chronic inflammation?
Lymphocytes, plasma cells, and macrophages
What is the primary cause of pulpitis?
Microbial, thermal, and chemical factors
What is the outcome of pulpitis?
Pulp necrosis with periapical periodontitis
What is the cause of an increase in pulpal pressure?
Oedema
What is the pulp chamber enclosed in?
Dental hard tissue
What is a factor that influences the healing of the pulp?
Degree of infection
Which type of cells is not typically found in acute inflammation in the pulp?
Lymphocytes
What is a characteristic of reversible pulpitis?
Hyperaemia and oedema
What is the treatment for irreversible pulpitis?
Tooth extraction or root canal treatment
What is a feature of chronic hyperplastic pulpitis?
Hyperplastic granulation tissue
What is the difference between open and closed pulpitis?
Open pulpitis is associated with open apices, while closed pulpitis is not
What is a characteristic of the granulation tissue in pulpal polyp?
It is loose and oedematous
What is the primary difference between reversible and irreversible pulpitis?
Reversible pulpitis is treated with removal of the local irritant, while irreversible pulpitis is treated with tooth extraction or root canal treatment
What is a symptom of pulpitis?
Pain that is poorly localized and can be felt in the upper or lower jaw
What is the difference between local and systemic factors influencing the healing of the pulp?
Local factors are related to the tooth, while systemic factors are related to the overall health of the patient
Test your knowledge on periapical periodontitis, a dental condition that affects the tissues around the tooth apex. Learn about the main causes and clinical findings of this condition. Are you ready to diagnose?
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