Denture repairs

Question 1

give some common types of denture fracture

Answer 1

midline
tooth detaches from denture base
loss of flange
acrylic saddle detaches from Co/Cr baseplate
clasp fracture/bent

Question 2

give reasons why a denture may fracture?

Answer 2

impact
acrylic in thin section
work hardening of metal
parafunctional habits
occlusion - deep overbites
soft linings
denture processing problem - porosity
bonding between tooth and base acrylic, or acrylic and CoCr

Question 3

when would you be able to carry out a simple repair of a fractured denture?

Answer 3

if the fractured pieces can be located together
- e.g. midline fracture of complete denture

Question 4

how would you carry out a simple denture repair

Answer 4

disinfect fractured pieces
send to lab;
- cast poured
- fractured area removed
- new acrylic processed

Question 5

how would you repair a denture fracture where a piece of the denture is missing?

Answer 5

take an impression with the fractured denture in the mouth
disinfect and send to lab
- cast poured
- new acrylic processed into defect

Question 6

name 3 strengtheners that can be used in denture repairs

Answer 6

wire mesh
glass-fibre mesh
stainless steel wire