Foundation structure is the most important structure in Overdenture. Long implants are required in the upper jaw overdenture because the maxillary bone is soft. When using attachments which can provide free angle adjustment.
After 2 years
SNAFFIT male on the canine and the 1st molar area implants
Impression was taken directly from SNAFFIT
SNAFFIT males and analogs were put in the impression for stone pouring
Model same as patient’s mouth
The path of insertion and removal is decided by using lab female and paralleling pins
Paraffin wax block out was done after removing paralleling pins
Copied model (working model)
Denture will be made from this model
Indentation rooms for female are seen in the tissue surface of denture. Female part is supposed to be seated in this indentation with self-curing resin and moved to the patient’s mouth before final setting.
Resin fiber was used
female were fixed at chair-side. It takes only several mintues.
After 2 years diminished retention was found.
only posterior 2 plastic caps were changed