Endodontic Treatment Failure
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Questions and Answers

What is considered a treatment failure in endodontic therapy?

  • When the treatment is completed without any complications
  • When the treated tooth is symptomatic or soft tissue response is abnormal (correct)
  • When a periapical lesion takes longer to heal than expected
  • When a pre-existing lesion decreases in size.

    • What is essential to achieve a high success rate in endodontic treatment?

  • Using advanced technology for diagnosis
  • Reducing the number of follow-up appointments
  • Following a technically high standard of treatment protocol (correct)
  • Using antibiotics to prevent infection

    • Why is it important to have regular follow-ups after endodontic treatment?

  • To prescribe antibiotics to prevent infection
  • To reduce the number of subsequent visits
  • To reduce the cost of treatment
  • To monitor any changes and assess the outcome of treatment (correct)

    • What can be a cause of endodontic failure?

    <p>Poor clinical thoroughness during the treatment phase</p> Signup and view all the answers

    What is the main purpose of evaluating endodontic treatment outcomes?

    <p>To explain the importance of evaluating endodontic treatment outcomes</p> Signup and view all the answers

    What is the primary factor that reduces the success rate of endodontic treatment by 10% to 20%?

    <p>Presence of periradicular lesion</p> Signup and view all the answers

    Which of the following is a common error in root canal preparation that can lead to a lower success rate?

    <p>Extension of the obturation material more than 2mm short of the apex</p> Signup and view all the answers

    What is the term for the prediction of the likely outcome of treatment?

    <p>Prognostication</p> Signup and view all the answers

    Which of the following is a biological factor that can contribute to failure of endodontic treatment?

    <p>Presence of bacteria in the canal</p> Signup and view all the answers

    What is the ultimate clinical measure of a treatment outcome in endodontic treatment?

    <p>Assessing the prevention and resolution of disease</p> Signup and view all the answers

    What is the purpose of evaluating endodontic treatment outcomes?

    <p>To determine the effectiveness of the treatment procedure</p> Signup and view all the answers

    What is a possible cause of endodontic treatment failure?

    <p>All of the above</p> Signup and view all the answers

    What is a factor that affects the outcome of endodontic treatment?

    <p>All of the above</p> Signup and view all the answers

    What is an essential step in assessing the outcome of endodontic treatment?

    <p>Radiographic evaluation</p> Signup and view all the answers

    What is a criterion for success of endodontic treatment?

    <p>All of the above</p> Signup and view all the answers

    What is a common consequence of inadequate root canal preparation?

    <p>Reduced success rate due to ineffective cleaning</p> Signup and view all the answers

    Which of the following is a biological factor that contributes to endodontic treatment failure?

    <p>Presence of bacteria in the canal</p> Signup and view all the answers

    What is a potential consequence of operative contamination during endodontic treatment?

    <p>Increased risk of treatment failure</p> Signup and view all the answers

    What is a crucial aspect of assessing treatment outcomes in endodontics?

    <p>Radiographic evaluation</p> Signup and view all the answers

    Which of the following obturation mistakes can lead to endodontic treatment failure?

    <p>All of the above</p> Signup and view all the answers

    What is considered a failure in assessing treatment outcomes?

    <p>Enlargement or development of radiolucent lesion</p> Signup and view all the answers

    Which of the following is a factor influencing periapical healing following nonsurgical root canal treatment?

    <p>Patency at the canal terminus</p> Signup and view all the answers

    What is the ideal healing outcome of non-surgical root canal treatment?

    <p>Regeneration and the formation of cementum over the apical termini</p> Signup and view all the answers

    Which of the following is a biological factor contributing to failure in vital pulp therapy?

    <p>Inadequate removal of infected hard or soft tissues</p> Signup and view all the answers

    What is the significance of achieving patency at the canal terminus in nonsurgical root canal treatment?

    <p>It significantly increases the chance of success</p> Signup and view all the answers

    Which factor has a minimal impact on the outcome of root canal treatment?

    <p>Tooth morphologic type</p> Signup and view all the answers

    What is the primary reason for lower periapical healing rates in root canal retreatment compared to primary treatment?

    <p>Obstructed access to the apical infection</p> Signup and view all the answers

    What is the most significant factor influencing the outcome of root canal retreatment?

    <p>Ability to remove or bypass pre-existing root-filling material</p> Signup and view all the answers

    What is the primary factor influencing the success of periapical surgery?

    <p>Surgical technique</p> Signup and view all the answers

    What is the common criterion for assessing the success of periapical surgery and nonsurgical root canal treatment?

    <p>Clinical and radiographic criteria</p> Signup and view all the answers

    Which of the following is associated with increased failure risk in endodontic treatment?

    <p>Apical root resorption</p> Signup and view all the answers

    What is a factor that affects the outcome of periapical surgery?

    <p>Size of periapical lesion</p> Signup and view all the answers

    Which of the following is NOT a criterion for success in root canal therapy?

    <p>Presence of a fistula</p> Signup and view all the answers

    What is the influence of using magnification during periapical surgery on treatment outcome?

    <p>It reduces success risk</p> Signup and view all the answers

    Which of the following is NOT a biological factor that contributes to failure of endodontic treatment?

    <p>Mild or moderate marginal periodontitis</p> Signup and view all the answers

    What is the effect of root-end resection with minimum bevel on treatment outcome?

    <p>It reduces success risk</p> Signup and view all the answers

    Which of the following is a technical factor that contributes to failure of endodontic treatment?

    <p>Overfilling</p> Signup and view all the answers

    What is the effect of using ultrasonic tip versus bur for retro cavity preparation on treatment outcome?

    <p>It has no significant effect</p> Signup and view all the answers

    What is the influence of coronal restoration on endodontic success?

    <p>It reduces success risk</p> Signup and view all the answers

    Which of the following is a factor that has little effect on endodontic treatment outcome?

    <p>Age</p> Signup and view all the answers

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