T1: Problem Denture Design

Question 1

Why modify survey line?

Answer 1

• can give more favourable survey line, hence more favourable clasping
• improve retention
• Comp go-to material of choice

Question 2

What are precision attachments?

Answer 2

• tube lock
• ball on post and diaphragm

** difficult to repair/ replace

Question 3

What is a two-part denture?

Answer 3

• useful when gross tissue loss and has different paths of insertion
• split pins on CoCr denture
• acrylic slots into pins on different path of insertion

Question 4

What is a swinglock?

Answer 4

• engages bone and tissue undercuts for retention
• requires good oral hygiene
• demanding to be made

Question 5

Connector for lingually tilted teeth

Answer 5

• buccal bar

Question 6

Dentures for Bruxism

Answer 6

• metal backing to teeth
• CoCr reduced fracture
• metal occlusal surfaces
• use of cross-linked teeth as better wear resistance
• acrylic postdam increases retention