Osseous Defects

Question 1

Causes of Alveolar Bone Loss

Answer 1

Extension of gingival inflammation
Trauma from occlusion- does NOT cause but effect bone loss
Systemic Disorders

Question 2

Pathways of Gingival Inflammation Extension

Answer 2

Along collagen fibers
Along blood vessels
Enters alveolar bone
Enters maxillary sinus

Question 3

Bone loss caused by inflammation invasion thru septum

Answer 3

Horizontal

Question 4

Bone loss caused by inflammation invasion thru cortical bone

Answer 4

Vertical

Question 5

If interdental septum is >2.5mm or have thick bone…

Answer 5

Angular bone loss

Question 6

If interdental septum is < 2.5mm or have thin bone …

Answer 6

Horizontal bone loss

Question 7

Model of bone formation - episodic disease and periods of exacerbation and remission

Answer 7

Random multiple burst model

Question 8

When does bone form?

Answer 8

During periods of remission

Question 9

2 Types of buttressing bone

Answer 9

Central - within the jaw

Peripheral- on external surface of jaw

Question 10

Pocket with Horizontal bone loss

Answer 10

Suprabony pocket

Question 11

Pocket with Vertical bone loss

Answer 11

Infrabony pocket

Question 12

Reverse architecture

Answer 12

interproximal areas apical to midfacial or midlingual

Question 13

Treatment options for Horizontal Bone Loss

Answer 13

SRP
Gingivectomy
Open Flap Debridement
Osseous Surgery

Question 14

Treatment options for Angular defects

Answer 14

Osseous Surgery

Guided Tissue Regeneration

Question 15

Treatment options for Furcation defects

Answer 15

SRP
Open flap debridement
Osseous Surgery - class 3
GTR - class 2