Tmj Functional Disorders

Question 1

What’s Atypical odontalgia ?

Answer 1

toothache, in the absence of detectable dental disease

Question 2

What’s Glossodynia and sore mouth ?


Answer 2

also known as ‘burning mouth’ or oral dysaesthesia


Question 3

What’s the main 4 symptoms of facial pain ?

Answer 3

■ Facial arthromyalgia (or TMJ dysfunction syndrome ).
 ■ Atypical facial pain (nonjoint or nonmuscle pain). 
■ Atypical odontalgia. 
■ Oral dysaesthesia (oral sensory disturbances)

Question 4

What’s Temporomandibular joint pain dysfunction syndrome ?

Answer 4

relating to pain arising from the joint itself and the muscles of mastication.
It is also known as facial arthromyalgia and myofacial pain.

** Three cardinal features exist: 
 ■ Pain.
 ■ Joint noise.
 ■ Restricted movement.


Question 5

What does clinical examination of the syndrome include ?

Answer 5

palpation and trigger point examinations on the face and near joint area, including msticatory muscles

Limit mouth opening is a sign


Question 6

Differential diagnosis of the syndrome ?


Answer 6

■ Dental pain. 
■ Disorders of the ears, nose and sinuses. 
■ Neuralgias.
■ Headaches. 
■ Diseases of the major salivary glands

Question 7

What’s rheumatoid arthritis ( juvenile arthritis ) complications ?

Answer 7

Fibrous ankylosis

Question 8

Rhmetoid arthritis clinical picture ?

Answer 8

Bilateral
Limited opening and joints pain
Pain mainly in acute phase
Morning stiffness
Jaw sounds
Tenderness , joint swelling

Question 9

What’s clnical findings in rhmatoid arthritis and complications?

Answer 9

Micrognathia
Crepitus
Anterior open bite
Plapation pain limit opening
can damage the condyle’s growth potential and can result in facial asymmetry, micrognathia and malocclusion

Question 10

What’s the CT scan results in rhmatoid arthritis?

Answer 10

Condyle and glenoid fossa erosion
Seen only in ct

Question 11

Radiograph of rhmatoid ?

Answer 11

Narrow joint space
Destructive lesion in condyle
Marginal proliferation or reparative activaties

Question 12

Rhmatoid arthritis treatment ?

Answer 12

Anti inflammatory drugs
Soft diet
Intraarticular steroids
Intermaxillary fixtion to avoid fibrous ankylosis

Question 13

What’s Oral dyskinesias ?


Answer 13

are abnormal, involuntary movements of the tongue, lips, and jaw

The effects of these movements on the jaw muscles, TMJs, oral mucosa, and teeth

Question 14

What’s In common dislocation of the mandible ?


Answer 14

the condyle is positioned anterior to the articular eminence and cannot return to its normal position without assistance

Question 15

Mandible dislocation is contrasts with subluxation so what is it ?


Answer 15

the condyle moves anterior to the eminence during wide opening but is able to return to the resting position without manipulation

Question 16

What’s the causes of mandible dislocation ?

Answer 16

result from muscular incoordination in wide opening during eating or yawning and
less commonly from trauma;
they may be unilateral or bilateral.

Question 17

What’s mandible dislocation complications ?

Answer 17

inability to close the jaws and pain related to muscle spasm

Question 18

In mandible dislocation what we find clinically ?

Answer 18

Deep depression in pretragous region ( due to anterior position of condyle )

Question 19

How to take mandible to position back ?

Answer 19

stand in front of the seated patient and place his or her thumbs lateral to the mandibular molars on the buccal shelf of bone; the remaining fingers of each hand should be placed under the chin.

The condyle is repositioned by a downward and backward movement.

Question 20

Post reduction recommendations?

Answer 20

Decrease mandible movement
Aspirin or NSAIDs to decrease pain
Don’t open so wide
Don’t stay long time without movement to avoid ankylosis

Question 21

What’s dis location surgeries ?

Answer 21

bone grafting to the eminence, lateral pterygoid myotomy, eminence reduction, eminence augmentation with implants, shortening the temporalis tendon by intraoral scarification, plication of the joint capsule, and repositioning of the zygomatic arch.