Apical Periodontitis and Endodontic Infection

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What is the ultimate goal of endodontic treatment?

To repair and preserve the tooth and associated periradicular bone

What is the rationale for endodontic treatment?

To eradicate the occurring infection

What is the primary cause of apical periodontitis?

Infection of the root canal system

When did the first recorded observation of bacteria in the root canal occur?

<p>17th century</p> Signup and view all the answers

What is the role of pulp necrosis in the development of endodontic infection?

<p>It leads to periradicular inflammation</p> Signup and view all the answers

What did Willoughby Dayton Miller observe in the root canals of decayed teeth?

<p>Bacterial cells in three basic morphologies</p> Signup and view all the answers

What did the presence of bacteria in the root canals confirm?

<p>The infectious cause of apical periodontitis</p> Signup and view all the answers

What is the primary route for the exposure of the pulpodentin complex to the oral environment?

<p>Caries and trauma-induced fractures</p> Signup and view all the answers

What is the significance of biofilms colonizing the root canal system according to the text?

<p>They are involved in inducing or perpetuating apical periodontitis lesions</p> Signup and view all the answers

What consequence does periodontal disease mostly have on pulp vitality according to the text?

<p>Direct access to pulp via dentinal tubules at the cervical region</p> Signup and view all the answers

What is one of the advantages of using Ca (OH)2 as an intracanal medicament?

<p>Lower cytotoxicity to stem cells</p> Signup and view all the answers

What factor should clinicians consider when choosing an intracanal medicament?

<p>Ability to remove the medicament from the canal space</p> Signup and view all the answers

Which factor is considered important in case selection for regenerative endodontic procedures?

<p>The patient's age</p> Signup and view all the answers

What is a common feature of regenerative endodontic procedures regardless of the intracanal medicament used?

<p>Minimal to no instrumentation</p> Signup and view all the answers

What has been suggested as a reason for the failure of a regeneration case?

<p>Generation of a smear layer that occludes the dentinal walls or tubules</p> Signup and view all the answers

Which chemical is used for disinfection of the canal space in regenerative endodontic procedures?

<p>Sodium hypochlorite</p> Signup and view all the answers

What is one factor affecting the regenerative procedure in relation to root development stage?

<p>The stage of root development</p> Signup and view all the answers

What is related to concerns about potential fracture of thin, incompletely developed roots?

<p>'Lack of instrumentation' techniques</p> Signup and view all the answers

What do studies show about the efficiency of removal from canal space between Calcium hydroxide and triple antibiotic paste (TAP)?

<p>TAP was removed less efficiently than Calcium hydroxide</p> Signup and view all the answers

What is the disadvantage of using Ca (OH)2 for apexification?

<p>Potential to reduce root strength and increase the risk of tooth fracture</p> Signup and view all the answers

What is the advantage of MTA apical barrier over Ca (OH)2 apexification?

<p>Decreased number of appointments and time to completion</p> Signup and view all the answers

What is the primary disadvantage of both Ca (OH)2 apexification and MTA apical barrier procedures?

<p>Do not generally result in further root development</p> Signup and view all the answers

What is the advantage of regenerative procedure over Ca (OH)2 and MTA apexification?

<p>Potential to increase root length and regain vitality responses</p> Signup and view all the answers

What does the triple antibiotic paste used for canal disinfection primarily create an environment favorable for?

<p>Eradicating bacteria from the infected dentin of root canals</p> Signup and view all the answers

What is the most significant advantage of using triple antibiotic paste for canal disinfection?

<p>High efficacy in eradicating bacteria from the infected dentin of root canals</p> Signup and view all the answers

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