Prosthodontics 5th Class: Complications
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Questions and Answers

What is the approximate mean age of patients suffering from burning mouth syndrome?

  • 80 years
  • 50 years
  • 70 years
  • 60 years (correct)
  • Which of the following is NOT a common site of complaint for burning mouth syndrome?

  • Floor of the mouth (correct)
  • Lower denture-bearing tissues
  • Upper denture-bearing tissues
  • Tongue
  • What psychological issue may develop in patients diagnosed with burning mouth syndrome?

  • Depression
  • Cancerophobia (correct)
  • Obsessive-compulsive disorder
  • Post-traumatic stress
  • How many types of burning mouth syndrome have been classified?

    <p>Three types</p> Signup and view all the answers

    What is a characteristic of Type 1 burning mouth syndrome?

    <p>Burning sensation that worsens throughout the day</p> Signup and view all the answers

    Which group of patients is most likely to fall into Type 2 burning mouth syndrome?

    <p>Patients experiencing chronic anxiety</p> Signup and view all the answers

    Which factor may contribute to increased anxiety levels in patients with burning mouth syndrome?

    <p>Isolation from others with the same condition</p> Signup and view all the answers

    What percentage of patients diagnosed with burning mouth syndrome are likely classified into Type 1?

    <p>33%</p> Signup and view all the answers

    What is the primary issue with the flabby ridge in complete denture wearers?

    <p>The fibrous tissue causes instability of the denture.</p> Signup and view all the answers

    Which area is most frequently affected by the flabby ridge?

    <p>Upper anterior region.</p> Signup and view all the answers

    What is a common belief about the cause of the flabby ridge?

    <p>It is caused by the presence of lower natural teeth.</p> Signup and view all the answers

    What is the recommended surgical approach to manage a flabby ridge?

    <p>Surgical removal should rarely be performed.</p> Signup and view all the answers

    Which impression technique is focused on maximizing support from the flabby tissue?

    <p>Mucodisplacive impression technique.</p> Signup and view all the answers

    What is a possible consequence of surgically removing the fibrous tissue?

    <p>Increased bulk and weight of the prosthesis.</p> Signup and view all the answers

    Why is it advisable to keep patients with a flabby ridge under regular review?

    <p>To monitor for potential traumatic damage.</p> Signup and view all the answers

    Which of the following statements about the flabby ridge is incorrect?

    <p>Fibrous tissue should always be removed for best outcomes.</p> Signup and view all the answers

    What speech sounds are affected by the contact between the lower lip and the upper anterior teeth?

    <p>/f/ and /v/</p> Signup and view all the answers

    Which consonants are produced with the contact of the lateral margins of the tongue to the posterior teeth?

    <p>/th/, /d/, /s/, /z/</p> Signup and view all the answers

    What may restrict the movement of the tip of the tongue and impair speech?

    <p>High occlusal plane</p> Signup and view all the answers

    What happens if the occlusal vertical dimension of dentures is too great during speech?

    <p>The teeth may clatter together</p> Signup and view all the answers

    What is one consequence of excessive palatal thickening in the canine region?

    <p>Disturbance in speech</p> Signup and view all the answers

    Which speech sounds are primarily produced when the mandible is closest to the maxilla?

    <p>/s/, /z/, /ch/, and /j/</p> Signup and view all the answers

    What condition can develop if it is difficult for the tongue to achieve a complete lateral seal?

    <p>Lateral sigmatism</p> Signup and view all the answers

    Which of the following is a primary function of the tongue in speech production?

    <p>Directing airflow over the palate</p> Signup and view all the answers

    What is a suggested way to distract a patient during impression taking?

    <p>Talking about a topic of interest</p> Signup and view all the answers

    Which of the following approaches is used for managing a severe gag reflex?

    <p>Conscious sedation</p> Signup and view all the answers

    What percentage of all repair work in dental laboratories is accounted for by midline fractures of complete upper dentures?

    <p>29%</p> Signup and view all the answers

    What role does acupuncture play in managing gag reflexes?

    <p>It can help during denture construction stages</p> Signup and view all the answers

    What is the primary reason for fatigue fractures in dentures?

    <p>Repetitive flexing of the denture</p> Signup and view all the answers

    What factor is essential for the success of hypnosis in treating gag reflex issues?

    <p>Patient's motivation and ability to practice self-hypnosis</p> Signup and view all the answers

    Which area is most commonly the starting point for cracks in fatigue fractures of dentures?

    <p>Palatally to the upper central incisors</p> Signup and view all the answers

    What unique approach might be beneficial for patients with a history of denture intolerance?

    <p>Use of a training denture</p> Signup and view all the answers

    Why is it important to distract a patient during the setting of an impression?

    <p>To divert focus from gagging sensations</p> Signup and view all the answers

    What is a common situation that might lead to impact fractures in dentures?

    <p>Accidental dropping while cleaning</p> Signup and view all the answers

    How does the age of a denture correlate with the likelihood of midline fractures due to fatigue?

    <p>Fractures commonly occur in dentures that are about 3 years old</p> Signup and view all the answers

    Which method is NOT mentioned as a management approach for gag reflex issues?

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

    What is the primary challenge when treating patients with a severe gag reflex?

    <p>Obtaining an accurate impression</p> Signup and view all the answers

    Which factor is NOT considered a denture factor contributing to fractures?

    <p>Improper cleaning methods</p> Signup and view all the answers

    What structural issue in a denture could significantly contribute to a fracture?

    <p>Stress concentrators</p> Signup and view all the answers

    Why is it important to identify the causes of denture fractures before repair?

    <p>To prevent the denture from fracturing again soon</p> Signup and view all the answers

    Study Notes

    Complications in Complete Denture Wearers

    • Flabby Ridge: Commonly occurs in the upper anterior region due to severe bone resorption replaced with fibrous tissue, compromising denture stability and aesthetics.
    • Aetiology: Associated with the presence of lower natural teeth and factors influencing bone metabolism, warranting regular monitoring of affected patients.

    Management Approaches

    • Surgical Removal: Advocates recommend removing fibrous tissue to create a stable ridge; this can reduce size but increases prosthetic bulk.
    • Non-Surgical Treatment: Focuses on impression techniques:
      • Mucodisplacive technique: Compacts flabby tissue for support.
      • Mucostatic technique: Maximizes retention without compressing tissue.

    Denture Breakages

    • Prevalence: Midline fractures account for 29% of upper denture repairs; 33% involve debonded teeth.
    • Types of Fracture:
      • Fatigue of Acrylic Resin: Caused by repeated flexing over time, starting near upper centrals, common in 3-year-old dentures, leading to midline fractures.
      • Impact Fractures: Occur from dropping the denture or trauma, requiring identification of causes before repairs.

    Causes of Fractures

    • Denture Factors: Include stress concentrators, absence of labial flange, incomplete polymerization, previous repairs, ill-fitting dentures, and inadequate relief.

    Managing the Gag Reflex

    • Challenges: Accurate impressions are critical; techniques to minimize gag reflex include:
      • Conscious sedation
      • Acupuncture during procedures
      • Hypnosis for patient comfort
      • Training dentures to reduce intolerance

    Burning Mouth Syndrome (BMS)

    • Prevalence: Affects 5-7% of the adult population, predominantly women around 60 years old, with symptoms often localized to the tongue and upper denture-bearing tissues.
    • Classification of BMS:
      • Type 1: Symptoms start in the day, common in those with deficiencies and poor denture designs.
      • Type 2: Symptoms present on waking and persist all day, often linked with chronic anxiety.
      • Type 3: Symptom-free days with burning in atypical locations, possibly due to palatal thickening.

    Speech and Denture Fit

    • Dental Relationships:
      • Contact of lower lip with upper anterior teeth affects sounds /f/ and /v/.
      • Tongue contact with posterior teeth is crucial for English consonants like /th/, /d/, and /s/.
      • Overly high occlusal planes can cause clattering of teeth during speech, impacting communication.

    Key Considerations

    • Regular review and customized management approaches are essential for improving the quality of life for complete denture wearers.
    • Effective communication between patient and dental professionals enhances treatment experiences and outcomes.

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    Description

    This quiz focuses on complications faced by complete denture wearers, particularly the condition known as flabby ridge. It examines the implications of resorbed bone and fibrous tissue on denture stability and function. Understand the aetiology behind these complications to better manage patient care.

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