Occlusion and TMD

Question 1

___ disorders are a common subgroup of Orofacial pain disorders.

Answer 1

Temporomandibular

Question 2

What are the two basic types of TMD?

Answer 2

Myogenous TMD and Arthrogenous TMD

Question 3

What type of TMD is related to joints? muscles?

Answer 3

Arthrogenous TMD

Myogenous

Question 4

What is the basis of accurate diagnosis?

Answer 4

a good history taking

Question 5

Name the seven cardinal criteria to be considered in patients with TMD.

Answer 5

1. pain
2. limitation in function
3. Limitation in movement
4. physical changes
5. altered jaw relationships
6. temporomandibular sounds that have been increasing in intensity and frequency.

Question 6

In the etiology of TMD, normal function and an event leads to ___ ___ which can further process into ___ symptoms.

Answer 6

physiologic tolerance; TMD

Question 7

T/F. TMD is a disease that has a multifactorial etiology.

Answer 7

True

Question 8

T/F. Predisposing factors decrease the risk for TMD.

Answer 8

False, it increases the risk for TMD. Some examples of TMD included systemic, occlusal, and loss of posterior teeth

Question 9

What type of factors cause TMD?

Answer 9

initiating factors such as trauma or parafunctional habits (thumb sucking)

Question 10

___ factors enhance the progression of TMD. What are some examples?

Answer 10

Perpetuating. Examples include behavioral, social or emotional stress, all of which can be maintained forever.

Question 11

What are the five factors associated with TMD.

Answer 11

1. occlusal condition
2. Trauma
3. Emotional stress
4. Deep pain input
5. parafunctional activities

Question 12

Problems in bringing the teeth together into MI are reflected in the ___.

Answer 12

muscles

Question 13

Once the teeth are in occlusion, problems in loading the masticatory structures are reflected in the ___.

Answer 13

joints.

Question 14

T/F. Occlusion relates to TMD when there is an introduction of an acute condition and when there is the presence of orthopedic instability.

Answer 14

True.

Question 15

Orthopedic ___ occurs when the stable ___ position of teeth is in harmony with the musculoskeletally stable position of the ___ in their fossae.

Answer 15

stability; MI; condyles

Orthopedic stability is another name for CR

Question 16

What are the two activities of the masticatory system?

Answer 16

functional and parafunctional.

Question 17

T/F. Functional activity of the masticatory system includes chewing, eating and swallowing.

Answer 17

True.

Question 18

What are the two types of parafunctional activities?

Answer 18

Diurnal and Nocturnal

Question 19

Which of the following are Diurnal parafuncitonal acitivities? Nocturnal?

1. Clenching and grinding
2. Cheek and tongue biting
3. Finger and thumb sucking
4. Bruxing

Answer 19

Diurnal: 1 - 3
Nocturnal: 4

Question 20

T/F. If occlusal intereferences create muscle systoms, then dentist must refrain from providing dental therapies.

Answer 20

False, dentistry should be the main provider of care for many TMDs. However, if occlusal intereferences are not related to symptoms, then dentist must refrain from providing therapy.

Question 21

___ rehabilitation to stabilize the occlusion may be appropriate for TMD patients with occlusal ___ and recurrent symptoms.

Answer 21

Prosthetic; instability

Question 22

Prosthetic treatment in TMD patients should only be carried out after irreversible therapy has resulted in relief of pain and the normalization of function.

Answer 22

False, Prosthetic treatment in TMD patients should only be carried out after REVERSIBLE therapy has resulted in relief of pain and the normalization of function.