Periodontal/soft tissue regeneration

Question 1

What are the goals of periodontal therapy?

Answer 1

1. Infection control
2. Pocket reduction/elimination
3. Regeneration
4. Long-term results
5. Improvement of esthetics

Question 2

Why is it a challenge to have perio/soft tissue regeneration?

Answer 2

• Open system
  
  • Connection oral cavity via sulcus
• Healing on surface with poor blood supply
• Regenerate- bone and perio ligament, cementum
  
  • Regenerate cementum and perio ligament attached to cementum

Question 3

When considering the colonization of the root surface, name the cells in order of speed at which this occurs

Answer 3

Fastest cells are epithelial cells ➡️ gingival CTC ➡️ PDL cells ➡️ bone cells

Question 4

Name a disadvantage of using non-resorbable membranes

Answer 4

They require 2 surgeries

Question 5

Why do we have a barrier in GTR?

Answer 5

Guided tissue regeneration
- Barrier prevents epithelium
- Allows time and space for bone and PDL to grow back into space
- 6 months for healing: bone and PDL ect
- Bone graph needed to fill space to prevent barrier collapsing
- Bone graphs to ensure space is maintained

Question 6

Name some prognostic affecting factors in regeneration

Answer 6

OHI

Smoking

Kind of defect

Radiographic defect angle- how wide is the angle?

• Wider the defect- less regeneration

Endodontic condition

Mobility- stabilize before regeneration