Mixed Deck — All CMT Topics Flashcards

In myofunctional therapy, 'nasal patency' refers to what?

Answer: Clear, unobstructed airflow through the nasal passages

Nasal patency means the nasal airway is sufficiently open and clear to allow adequate airflow for comfortable nasal breathing at rest.

Which study is frequently cited as landmark evidence for myofunctional therapy's role in reducing OSA severity?

Answer: Guimarães et al. 2009

Guimarães et al. (2009) published an RCT demonstrating that oropharyngeal exercises significantly reduced AHI by approximately 39% and snoring in adults with moderate OSA.

A patient practices 'spot' placement by pressing the tongue tip to a rugae target 100 times daily. This type of drill is best categorized as:

Answer: Blocked practice for motor schema formation

Blocked practice—repeating the same movement consecutively—builds initial motor schema for new oral postures in myofunctional therapy.

Which outcome measurement tool is most appropriate for tracking patient progress in orofacial function across the course of myofunctional therapy?

Answer: A standardized myofunctional assessment scale that evaluates breathing, lip competence, tongue posture, and swallowing

Standardized myofunctional assessment scales provide objective, repeatable measurements of the specific functional domains targeted in treatment.

When treating a minor, who must provide consent for myofunctional therapy?

Answer: A parent or legal guardian

A parent or legal guardian must provide informed consent for any healthcare treatment of a minor; the child may provide assent but cannot legally consent independently.

A patient reports feeling embarrassed to practice the 'lion face' exercise in shared living spaces. What is the most clinically appropriate response?

Answer: Validate the concern and problem-solve a private time and place for practice

Validating psychosocial barriers and collaborating on practical solutions maintains both therapeutic alliance and protocol integrity.

A myofunctional therapist is approached by a patient who wants to use therapy to treat a diagnosed tongue cancer. What is the correct response?

Answer: Decline to treat until the oncology team has cleared the patient and defined myofunctional therapy's appropriate role

Active malignancy requires oncological management; myofunctional therapy may have a rehabilitative role post-treatment, but the oncology team must define the appropriate timing and scope.

A retained visceral (infantile) swallow pattern in older children is best characterized by which of the following?

Answer: Tongue pressing against lower incisors with visible mentalis muscle activation

A retained infantile swallow is characterized by the tongue pressing against the lower incisors, often with visible mentalis (chin) muscle activation and lip strain.

Upper airway resistance syndrome (UARS) is most closely associated with which myofunctional dysfunction?

Answer: Low tongue posture

Low or improper tongue posture reduces oral airway support and contributes to upper airway collapse, which is characteristic of UARS.

A patient successfully completes Phase 1 exercises but shows no carry-over to functional activities. What intervention is indicated?

Answer: Introducing contextual practice by embedding exercises into daily functional tasks

Contextual practice bridges isolated exercise mastery and functional automaticity by training patterns in real-life situations.

A patient presents with an open mouth posture and low tongue resting position. Which associated finding would MOST reinforce a myofunctional etiology?

Answer: Habitual lip incompetence with no anatomical obstruction

Habitual lip incompetence without structural cause strongly implicates a myofunctional pattern rather than a purely anatomical obstruction.

What is the role of the soft palate in oral functions?

Answer: To strengthen teeth

The soft palate plays a vital role in maintaining overall oral health and function, including preventing nasal regurgitation during swallowing and aiding in speech. While its direct function is not to strengthen teeth, proper oral posture and function, which the soft palate contributes to, are essential for a healthy oral environment. This indirectly supports the long-term health and strength of teeth by promoting proper breathing and saliva distribution.

Which of the following is an important part of the patient assessment process?

Answer: Observing muscle function and oral posture

Observing muscle function and oral posture is a fundamental part of the patient assessment process in myofunctional therapy. This involves carefully watching how the patient's facial and oral muscles move during various activities like swallowing, speaking, and at rest. Assessing oral posture, particularly the resting position of the tongue and lips, helps identify dysfunctional patterns that contribute to orofacial disorders, guiding the therapist in developing targeted interventions.

Which of the following exercises is specifically used to strengthen the soft palate and reduce palatal vibration during sleep?

Answer: Sustained vowel phonation ('aah' with uvular elevation)

Sustained vowel phonation exercises that elevate the soft palate and uvula strengthen the levator and tensor veli palatini muscles, reducing soft palate laxity and vibration-related snoring.

The term 'interdental tongue posture at rest' refers to which condition?

Answer: The tongue resting between the upper and lower anterior teeth

Interdental tongue posture at rest describes the tongue lying between the upper and lower anterior teeth as a resting position, which can perpetuate or worsen an anterior open bite.

How can family support improve the effectiveness of myofunctional therapy?

Answer: By tracking treatment costs

Family support can improve the effectiveness of myofunctional therapy by fostering a supportive environment that encourages adherence and practice, which can indirectly help track treatment costs. When family members are involved, they can remind and motivate the patient to perform exercises consistently. This consistent practice often leads to faster progress and more efficient therapy, potentially reducing the overall number of sessions required and thus influencing the total cost of treatment.

In an interdisciplinary team treating a child with OSA, which provider is responsible for diagnosing and prescribing medical treatment for the sleep disorder?

Answer: Physician or sleep medicine specialist

Diagnosis and medical management of OSA is within the scope of physicians and sleep medicine specialists; the myofunctional therapist addresses the contributing orofacial muscle dysfunction as part of the team.

Which behavioral modification technique is most commonly recommended as first-line treatment for thumb sucking in cooperative children?

Answer: Positive reinforcement with reward charts

Positive reinforcement through reward charts and praise is the recommended first-line behavioral approach for habit elimination in cooperative children, supporting intrinsic motivation before more invasive methods.

Which assessment method provides the MOST objective measure of lip seal strength during a myofunctional evaluation?

Answer: Button pull-test with measured force gauge

The button pull-test using a calibrated force gauge objectively quantifies orbicularis oris strength for pre- and post-treatment comparison.

The levator veli palatini muscle primarily functions to do what during swallowing?

Answer: Elevate the soft palate

The levator veli palatini elevates the soft palate to achieve velopharyngeal closure, preventing nasal regurgitation during swallowing.