Conventional Bridgework

Question 1

fixed-fixed conventional bridge - advantages

Answer 1

robust design
maximum retention and strength
abutment teeth splinted together
can be used in longer spans
lab construction straightforward

Question 2

disadvantages of conventional fixed-fixed bridge

Answer 2

preparation difficult
- parallel tooth preparations needed
common path of insertion for abutments
removal of tooth tissue
- danger to pulp

Question 3

conventional cantilever bridge - advantages

Answer 3

conservative design
- compared to fixed-fixed conventional
- lab construction straightforward
- no need to ensure multiple tooth preparations are parallel

Question 3

disadvantages of conventional cantilever bridges

Answer 3

short span only
right to avoid distortion
mesial cantilever preferred