No-Diastema Protocol (June 2025 Session). Quiz will be available until August 31st, 2025.
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1. What is the primary goal of the No-Diastema MARPE protocol?
a. Maximize anterior diastema for faster expansion
b. Avoid visible midline gaps while gradually expanding
c. Complete expansion before starting Invisalign
d. Retract incisors before MARPE activation
2. In the No-Diastema protocol, how much does each MARPE turn ( Tiger screw; from one surface to another surface, ie, surface with dot to another surface without dot) typically expand the suture?
a. 0.25 mm
b. 0.10 mm
c. 0.17 mm
d. 0.50 mm
3. What is one of the main advantages of expanding slowly with Invisalign trays after MARPE?
a. Faster Airway improvement
b. Improved retention and less relapse
c. Avoidance of bite guards
d. MARPE removal can be skipped
4. In a case of painful MARPE turns, what is the first recommended modification?
a. Increase frequency to get through pain faster
b. Stop treatment completely
c. Slow the protocol, possibly turn backwards
d. Add more screws for support
5. Which of the following is NOT a benefit of the No-Diastema MARPE protocol?
a. Improved facial adaptation
b. Reduction in papilla blunting
c. Elimination of the need for Invisalign
d. Greater control of expansion amount
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Email answers to support@audreyyoondds.com
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Complex Case Treatment Planning (May 2025 Session). Quiz & CE will be available until July 31st, 2025.
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1. Which of the following should be considered to achieve more successful palatal expansion?
a. Rigidity of the expansion screw
b. Position of the expansion screw relative to the center of the palate
c. Expansion velocity
d. Proximity of the expansion screw to the palatal plane
e. All of the above
2. What was the strategy used to correct the cant in Dr. Yoon’s case using MARPE?
a. Size of the expansion screw
b. Position of the jackscrew (anteroposterior, yaw, and cant adjustments)
c. Rigidity of the expansion screw
d. All of the above
3. What is a key challenge with asymmetric maxillary expansion cases?
a. Ensuring the expander is made of metal
b. Predicting when asymmetry will occur and correcting it
c. Finding patients young enough for treatment
d. Applying equal force bilaterally without screws
4. What technique was used to correct the 3-year-old patient’s facial asymmetry due to plagiocephaly?
a. Orthognathic surgery
b. Use of high-pull headgear
c. Use of a regular slimline expander with angled jack screw placement
d. Mandibular setback procedure
5. What is the significance of cant and yaw in asymmetric expansion?
a. They determine the patient's age for treatment
b. They influence the direction and magnitude of force applied during expansion
c. They help identify whether the expansion screws should be placed anteriorly
d. They refer to the width of the nasal cavity
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Email answers to support@audreyyoondds.com
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Advanced Airway Quiz (April 2025 Session). Quiz will be available until July 31st, 2025.
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1. Which of the following is NOT correct regarding the CBCT airway imaging?
a. Airway volume is getting affected by pt’s head neck posture and breathing.
b. Airway volume is growing from age 5 to 20
c. Minimal cross sectional area is less than 50 mm2, pt has high risk for OSA.
d. CBCT can be used to diagnose OSA.
2. Which of the following is NOT correct for proper CBCT scan for airway evaluation?
a. Natural head position
b. Bite registration and chin rest are recommended to use
c. Swallow several times and hold the breath/ breathing normally .
d. Capture from Nasion to C-2 and even hyoid bone if possible.
3. Why do many families now seek CBCT scans during orthodontic consultations?
a. To choose between braces and aligners
b. To identify cosmetic issues like crooked teeth
c. To understand underlying causes of symptoms like snoring or mouth breathing
d. To compare scan prices between clinics
4. How do you help patients achieve accurate head positioning for a CBCT scan?
a. By using bite registration and a forehead strap
b. By instructing patients to look in a mirror and rest their tongue on the roof of the mouth
c. By having them lie down and close their eyes
d. By measuring head tilt with a protractor
5. What unexpected issues can a CBCT scan often reveal before other providers notice them?
a. Dental caries and gingivitis
b. Broken brackets and loose wires
c. Enlarged adenoids, sinus inflammation, or deviated septums
d. Missing baby teeth or retained wisdom teeth
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Email answers to support@audreyyoondds.com
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