CMT Oral Habits & Parafunctional Behaviors 3

Question 1

Awake (diurnal) bruxism is classified as which type of parafunctional activity?

Accepted Answer

Conscious awake parafunctional oral habit

Answer

Awake bruxism occurs during waking hours and is classified as a conscious parafunctional oral habit, often linked to emotional stress, concentration, and arousal states.

Question 2

Which parafunctional oral habit(s) are most consistently associated with causing or maintaining an anterior open bite?

Accepted Answer

Tongue thrusting and digit sucking

Answer

Both tongue thrusting and digit sucking create persistent anterior pressure that prevents normal vertical eruption of the front teeth, thereby causing or maintaining an anterior open bite.

Question 3

When assessing the severity and clinical impact of a parafunctional oral habit in a child, which factor is considered most clinically significant?

Accepted Answer

The frequency, duration, and intensity of the habit

Answer

The frequency, duration, and intensity of a parafunctional habit determine the cumulative magnitude of orofacial forces exerted, making these parameters most clinically significant for assessing developmental impact.

Question 4

In myofunctional therapy for tongue thrust correction, what is the correct sequence of skill development?

Accepted Answer

Nasal breathing establishment → correct tongue rest posture → swallowing retraining

Answer

Myofunctional therapy for tongue thrust follows the sequence of establishing nasal breathing first, then correcting resting tongue posture, before retraining the dynamic swallowing pattern.

Question 5

Object biting (chewing pencils, pens, clothing) is classified under which category of parafunctional habits?

Accepted Answer

Biting and chewing parafunctional habits

Answer

Object biting is classified under biting and chewing parafunctional habits, a category that also includes onychophagia (nail biting), cheek biting, and lip biting.

(CMT) Certified Myofunctional Therapist Practice Test

(CMT) Certified Myofunctional Therapist Practice Test

CMT Oral Habits & Parafunctional Behaviors 3