Muscular Dystrophy Overview
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Questions and Answers

What is the primary benefit of using a rubber dam in dental procedures?

  • It prevents water from splashing.
  • It improves the efficiency of dental tools.
  • It reduces inhalation of foreign substances. (correct)
  • It enhances visibility during treatment.
  • In patients with facioscapulohumeral muscular dystrophy, what activity is most likely to be impacted?

  • The ability to lift objects like a toothbrush. (correct)
  • Hand-eye coordination tasks.
  • Visual acuity for reading.
  • Walking or running.
  • Why should dental anesthetics be used cautiously in patients with neuromuscular disorders?

  • They may cause allergic reactions.
  • They can exacerbate existing respiratory issues. (correct)
  • They lead to prolonged recovery times.
  • They do not affect muscular control.
  • Referral to a registered dietitian for patients with muscular dystrophy is considered for which reason?

    <p>To assess and recommend on nutritional status and feeding abilities.</p> Signup and view all the answers

    What specific dental treatment should be introduced to children with Duchenne muscular dystrophy at the earliest age possible?

    <p>Preventive dental treatment.</p> Signup and view all the answers

    Intraoral stretching devices are used in patients with DMD primarily to preserve what?

    <p>Temporomandibular range of motion.</p> Signup and view all the answers

    What oral manifestation is commonly found in various forms of muscular dystrophy?

    <p>Facial muscle weakness.</p> Signup and view all the answers

    Which muscle group is particularly affected in patients with facioscapulohumeral muscular dystrophy?

    <p>Masticatory muscles.</p> Signup and view all the answers

    What is a common characteristic of myotonic dystrophy?

    <p>Difficulty in relaxing contracted muscles</p> Signup and view all the answers

    Which muscular dystrophy typically manifests between 30 and 50 years of age?

    <p>Oculopharyngeal muscular dystrophy</p> Signup and view all the answers

    What is a significant risk associated with weakened bones in muscular dystrophy patients?

    <p>Elevated risk of fractures</p> Signup and view all the answers

    Which of the following describes a common sign or symptom of DMD or BMD as patients age?

    <p>Shortness of breath</p> Signup and view all the answers

    In which population is the prevalence of myotonic dystrophy particularly high?

    <p>Saguenay-Lac St. Jean area of Quebec</p> Signup and view all the answers

    What connection is there between Duchenne and Becker muscular dystrophies and the heart?

    <p>They may result in cardiomyopathy</p> Signup and view all the answers

    What symptom is connected to respiratory issues in DMD or BMD patients?

    <p>Mechanical breathing assistance may be needed</p> Signup and view all the answers

    Which of the following complications is NOT typically associated with muscular dystrophy?

    <p>Renal failure</p> Signup and view all the answers

    Which of the following factors is commonly associated with open bites?

    <p>Lip incompetence</p> Signup and view all the answers

    What is the primary cause of muscular dystrophies?

    <p>Genetic mutations</p> Signup and view all the answers

    Which type of muscular dystrophy is most common in males?

    <p>Duchenne muscular dystrophy</p> Signup and view all the answers

    What characterizes the incidence of Duchenne muscular dystrophy?

    <p>1 in 3,500 births</p> Signup and view all the answers

    Which condition is a common complication for tube-fed patients?

    <p>Rapid caries accumulation</p> Signup and view all the answers

    Which of the following statements is true about autosomal dominant forms of muscular dystrophy?

    <p>Males and females are equally affected</p> Signup and view all the answers

    What is the most common feeding tube used for patients with neuromuscular disorders?

    <p>Percutaneous endoscopic gastrostomy (PEG) tube</p> Signup and view all the answers

    What is a typical management strategy for childhood-onset muscular dystrophy?

    <p>Early intervention services</p> Signup and view all the answers

    What type of muscular dystrophies are Duchenne MD and Becker MD classified as?

    <p>X-linked</p> Signup and view all the answers

    At what age does muscle weakness typically begin for individuals with Duchenne MD?

    <p>Before 5 years of age</p> Signup and view all the answers

    Which therapeutic modality is specifically designed to maintain muscle strength in Duchenne MD patients?

    <p>Corticosteroid treatment</p> Signup and view all the answers

    What is the main reason females with an X-linked gene mutation may not exhibit symptoms of muscular dystrophy?

    <p>They have two X chromosomes with one normal gene.</p> Signup and view all the answers

    Which of the following describes Becker MD in relation to Duchenne MD?

    <p>It is milder and less progressive.</p> Signup and view all the answers

    What is a common early motor development delay seen in children with DMD?

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

    Which of the following regions is the first to typically show muscle weakness in both Duchenne MD and Becker MD?

    <p>Pelvis and femoral regions</p> Signup and view all the answers

    What role do medications like eteplirsen and golodirsen play in the treatment of DMD?

    <p>They target specific genetic mutations.</p> Signup and view all the answers

    What is a common oral cavity issue observed in Duchenne muscular dystrophy (DMD)?

    <p>Hypertrophy of the masseter muscles</p> Signup and view all the answers

    Which condition is characterized by difficulties in swallowing?

    <p>Oculopharyngeal muscular dystrophy (OPMD)</p> Signup and view all the answers

    Which of the following conditions is commonly associated with reduced salivary secretion?

    <p>Myotonic dystrophy type 1</p> Signup and view all the answers

    What oral condition is frequently observed in individuals with myotonic dystrophy?

    <p>Open bite malocclusion</p> Signup and view all the answers

    What is a characteristic of the tongue in individuals with DMD?

    <p>Enlarged hypotonic tongue</p> Signup and view all the answers

    What anatomical change occurs with aging in DMD patients?

    <p>Increased angle between the maxilla and mandible</p> Signup and view all the answers

    Which condition may lead to drooling in patients with muscular dystrophy?

    <p>Difficulty swallowing liquids</p> Signup and view all the answers

    Which symptom is associated with temporomandibular joint (TMJ) disorder in myotonic dystrophy?

    <p>Reduced TMJ range of motion</p> Signup and view all the answers

    What is a common dental healthcare program component for patients with Duchenne muscular dystrophy?

    <p>Oral hygiene instruction</p> Signup and view all the answers

    Which condition is discussed regarding its prevalence in the United States?

    <p>Duchenne muscular dystrophy</p> Signup and view all the answers

    What is a dental characteristic of patients with Duchenne muscular dystrophy?

    <p>Difficulty in oral hygiene</p> Signup and view all the answers

    What benefit is associated with improving temporomandibular range of motion in patients with Duchenne muscular dystrophy?

    <p>Easier tooth brushing</p> Signup and view all the answers

    What procedure is considered invasive dental hygiene for patients with Duchenne muscular dystrophy?

    <p>Scaling teeth</p> Signup and view all the answers

    Which organization provides information on muscular dystrophy including dental care?

    <p>Muscular Dystrophy Canada</p> Signup and view all the answers

    What is an essential component of a dental healthcare program for patients with Duchenne muscular dystrophy?

    <p>Taking dental impressions</p> Signup and view all the answers

    Which procedure is NOT typically part of dental care for patients with Duchenne muscular dystrophy?

    <p>Providing orthodontic care</p> Signup and view all the answers

    Study Notes

    Muscular Dystrophy

    • Muscular dystrophy (MD) is a group of genetic conditions causing progressive muscle weakness and degeneration.
    • Common types include Duchenne MD (DMD) and Becker MD (BMD).
    • DMD typically affects males, and onset is usually before age 5.
    • BMD is a milder form of DMD, and onset is generally between ages 7 and 12.
    • Some types have adult onset.
    • Medical clearance is advised before dental procedures if the patient is receiving immunosuppressant medications, general anesthetic agents are contemplated, or if there are concerns about medication-related osteonecrosis of the jaw (MRONJ).
    • Antibiotic prophylaxis is not usually necessary.
    • Postponing dental procedures might be considered sometimes, but not always. This depends on risk factors and patient conditions.
    • Oral management implications include falls risks, wheelchair use, muscle weakness, swallowing issues, breathing problems, and potential complications during general anesthesia.
    • Oral manifestations include facial muscle weakness, masticatory muscle issues, oral cavity atrophy, dysphagia, tongue weakness, and malocclusion.
    • Specific precautions and modifications for dental hygiene are recommended depending on the type and severity of MD, such as using warm towels and adjusting chair positions.

    Contraindications

    • Initiating non-invasive dental hygiene procedures is not contraindicated.
    • Initiating invasive dental hygiene procedures may be, although not typically, contraindicated.
    • A medical consult is needed if the patient is being treated with immunosuppressant medications or if anesthesia is deemed necessary.

    Medical Considerations

    • Medical clearance is essential for patients on immunosuppressant medications, those undergoing dental procedures requiring anesthesia, and in situations where MRONJ exists.
    • Antibiotic prophylaxis is generally not required, unless the patient is on prolonged corticosteroid therapy.

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    Description

    This quiz covers essential information about muscular dystrophy, focusing on its genetic nature and various types such as Duchenne and Becker. It highlights the implications for medical and dental care, including considerations for treatment and patient management. Test your understanding of the condition and its management.

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