Bone Loss And Patterns Of Bone Destruction Important Notes
1. Radius of action.
- States that local resorbing factors must be present in close proximity of bone, to exert their effect.
- According to Waerhaug range of effectiveness is 1.5-2.5 mm
- Beyond 2.5 mm, there is no effect and are thus unable to cause bone resorption
- Large def effect far exceeding 2.5mm from tooth surface is caused by the presence of bacteria in the tissues
Read And Learn More: Periodontics Question and Answers
Bone Loss And Patterns Of Bone Destruction Short Essays
Question 1. Mechanism of bone.
Answer:
1. Bone formation:
2. Bone destruction:
1. Local factors:
Replacement of fatty bone marrow with fibrous type
2. Trauma From Occlusion
3. Combination
- Systemic factors:
- Osteoporosis
- Hyperparathyroidism
- Leukemia
Bone Loss And Patterns Of Bone Destruction Short Answers
Question 1. Bone factor concept.
Answer:
- By Glickman
- Explains the role of Systemic factors in bone resorption
- States that when there is a generalized tendency towards bone resorption, bone loss initiated by local inflammation gets magnified.
Bone Factor Concept Example:
- Osteoporosis in post-menopausal women
- Hyperparathyroidism
- Leukemia
Question 2. Agents of Bone resorption.
Answer:
1. Complement
2. Flurbiprofen
Question 3. The radius of action.
Answer:
- States that local resorbing factors must be present in close proximity of bone, to exert their effect.
- According to Waerhaug range of effectiveness is 1.5-2.5 mm
- Beyond 2.5 mm, there is no effect and are thus unable to cause bone resorption