Restoration of RCT Tooth - POSTERIOR

Question 1

Why should posts NOT be used in premolar and molar teeth?

Answer 1

• Narrow roots
• Disadvantages outweigh advantages
• Core retention can be from physical undercuts and DBAs

Question 2

If there is coronal tissue in a posterior tooth following RCT, how may it be restored?

Answer 2

• GP removed in canal orifice to creat mechanical retention
• Pulp chamber etched and bonded for core build up with RESIN based material
  
  • -> non-bonded material act as wedge towards wall resulting in fracture

Question 3

What are the treatment options for a RCT posterior tooth?

Answer 3

INDIRECT

• Partial coverage = inlay/ only
• Complete coverage = metal crown, metal ceramic crown, ceramic crown

DIRECT

• Post core crown (avoid if at all poss)
• Cores = am, comp, GI/ RMGI