MCQs in Orthodontics

Chapter 7: Treatment for Adults


1- A 58-year-old patient presents with, muscle pain in the morning, TMJ pain, wearing down teeth and mobile molars, which of the following is true:


  1. The patient is suffering from bruxism
  2. The patient has a habit of tongue thrusting
  3. The patient has a salivary gland disorder
  4. None of the above








The answer is: A


2- A 42 female patient is given a night guard, this is will help her to break which habit:


  1. Tongue thrusting
  2. Not brushing their teeth
  3. Bruxism
  4. None of the above.









The answer is: C


3- The type of tooth movement recommended for adults is:


  1. Interrupted force
  2. Continuous heavy force
  3. Continuous light force
  4. Random force








The answer is: C


4- Bone density in adults compared to young children is:


  1. Lower
  2. Greater
  3. No different
  4. Unpredictable








The answer is: B


5- The treatment options that are restricted to an adult patient are:


  1. Orthodontic tooth movement and orthopaedic appliances
  2. Myofunctional appliances and orthognathic surgery
  3. Orthodontic tooth movement and orthognathic surgery
  4. Orthopedic and myofunctional appliances








The answer is: C


6- A 17yr old female with a c2 malocclusion and discrepancy in both upper and lower arches, the treatment modality includes:


  1. Extraction of all 1st premolars
  2. Extraction of all maxillary 1st premolars
  3. Extraction of all mandibular 1st premolars
  4. No extractions







The answer is: A


7- The most important etiological factor responsible for class 2 malocclusion is:


  1. Radiation exposure during pregnancy
  2. Hereditary
  3. Trauma to the mandible
  4. TMD







The answer is: B


8- A 25 year old patient with severe maxillary prognathism and mandibular deficiency should be treated by which of the following:


  1. Growth modification
  2. Surgical maxillary setback and mandibular advancement
  3. Fixed orthodontic treatment only
  4. D .Removable orthopediac appliance.







The answer is: B


9- A 22 year old patient with severe maxillary deficiency and mandibular prognathism should be treated best by:

  1. Extraction of all 1st premolars
  2. Using high pull head gear and chin cup
  3. Surgical maxillary advancement and mandibular set back
  4. Fixed orthodontic therapy only







The answer is: C


10- The reasons for providing orthodontic therapy in adults include:


  1. To improve the tooth-periodontal tissue relationship
  2. To improve aesthetics
  3. To establish an improved plane of occlusion so as to distribute forces into the broadest area possible
  4. All of the above









The answer is: D


11- Adult orthodontic therapy is contraindicated in:


  1. Excessive alveolar bone loss
  2. Class 2 malocclusion
  3. In presence of occlusal prematurities
  4. All of the above







The answer is: A


12- Which of the following conditions is of greatest concern before commencing orthodontic treatment in adults:


  1. Caries
  2. Bone support of each tooth
  3. Aesthetic wishes of the patient
  4. Speech difficulties







The answer is: B