Simple technique
Shorten denture making process
Complex
When replacement must copy original to greater or lesser extent
Elderly
Compromised tolerance
When duplicate denture is needed
Simple technique process
Cast model from current denture on silicone putty
Use alma gauge to form reg rims
Complex technique process
Make NEGATIVE of dentures in flask
Template in wax and acrylic - poured into negative imp
Make adjustments to face height
Mount template, remove wax teeth and replace by chosen acrylic teeth
Try in and reline
Process and finish
Placement and check record (check occlusion according to BULL rule)