Liz Maas
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Liz Maas
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40, 41- TMJ/TMJD

Question 1 of 10

1

Which of the following is true about TMJD?

Select one of the following:

  • 9:1 intra-articular to extra-articular problems

  • The condyles and mandible come from Meckel's cartilage at 6 weeks in development

  • Internal derangement is inflammation around the disc or articulating surface

  • Creptius is the sound of articulating surfaces rubbing each other without the interposed disc

  • none of the above

Explanation

Question 2 of 10

1

At stage 2 Wilkes classification, there is inflammation and injury but not necessarily damage to the disc. Clicking without pain can be indicative of a reducing disc out of place.

Select one of the following:

  • T/T

  • T/F

  • F/T

  • F/F

Explanation

Question 3 of 10

1

A patient comes to you unable to open their mouth. There is no trauma and they claim to have woken up like that. What is this?

Select one of the following:

  • Open lock, reducing disc

  • Close lock, non-reducing disc

  • Open lock, non-reducing disc

  • Close lock, reducing disc

Explanation

Question 4 of 10

1

In arthrocentesis, the needle which injects a solution containing medication, a steroid and hyaluronic acid goes into the glenoid fossa to the superior joint space. The best position for the patient is a closed jaw.

Select one of the following:

  • T/T

  • T/F

  • F/T

  • F/F

Explanation

Question 5 of 10

1

Arthrocentesis is indicated for Wilkes stages 1-5 although its effectiveness in pain reduction tends to decrease at later stages of disc degeneration. The drawbacks include a lack of ability to debride the area, distinguish or enhance a pathology diagnosis, and you go in more or less blind.

Select one of the following:

  • T/T

  • T/F

  • F/F

  • F/T

Explanation

Question 6 of 10

1

Which of the following is true?

Select one of the following:

  • Synovial joints allow movement, the muscles around the joint share the same nerves

  • PDL is involved in gomphosis, allows limited functional movement

  • Cartilaginous has space between bone that is linked by fibrous cartilage

  • Syndesmosis involves apposition of bone and cartilage

  • none of the above

Explanation

Question 7 of 10

1

The outer fibers of the TMJ limit excessive posterior motion and protect retrodiscal tissues. The horizontal fibers prevent excessive opening and provide stability.

Select one of the following:

  • T/T

  • T/F

  • F/T

  • F/F

Explanation

Question 8 of 10

1

Extra-articular disorders present with ipsilateral pain, intra-articular present with contralateral pain. Extra-articular make up the majority of TMJD complaints and are generally treated non-surgically.

Select one of the following:

  • T/T

  • T/F

  • F/T

  • F/F

Explanation

Question 9 of 10

1

TMJD are more common in men and commonly manifests between ages 40-70. Common co-morbidities include irritable bowel syndrome, fibromyalgia, and patients experiencing chronic pain with TMJD are often victims of abuse.

Select one of the following:

  • T/T

  • T/F

  • F/T

  • F/F

Explanation

Question 10 of 10

1

Vascular supply to the TMJ disk comes from

Select one of the following:

  • capsule

  • Sphenomandibular ligament

  • bilaminar zone

  • none of these

  • Stylomandibular ligament

Explanation

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