Trauma and Occlusion

Question 1

What is primary and secondary occlusal trauma?

Answer 1

Primary=Excessive force on normal periodontium (bruxism).

Secondary=Normal or excessive force on weak periodontium.

Question 2

What is Gluckman’s concept?

Answer 2

Sites which are exposed to abnormal occlusal force will develop angular bony defects and infrabony pockets.

Question 3

Match the clinical symptoms to radiographics signs.

1. Increased mobility
2. Fremitus
3. Wear facets
4. Tooth migration
5. Tooth fracture
6. Pulpal symptoms

Answer 3

1. Widened PDL
2. Thickened lamina dura
3. Vertical bone loss
4. Furcation bone loss
5. Root resorption
6. Alveolar radiolucency/condensation

Question 4

In the absence of inflammation, occlusal trauma will do what to CT attachment?

Answer 4

It will not result in loss of CT attachment.

Question 5

In healthy periodontium, occlusal trauma will result in what?

Answer 5

Increased mobility, widened PDL, loss of crestal bone height and volume.

Question 6

In the presence of inflammation, occlusal trauma will result in what?

Answer 6

Accelerated loss of bone and CT attachment.