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. Appendix
. Appendix A
.. Chair-side modification of an existing lower denture into an overdenture supported by Novaloc® Abutments
For an existing well-fitting and well-functioning lower complete denture, the Novaloc® Retentive System can be used in a
chair-side procedure.
Caution: It is a prerequisite however, that the lower complete denture does not need to be relined by a dental technician.
Place white Mounting Collars on each Novaloc® Abutment. The
Mounting Collars are used to block out the area surrounding the
abutments.
Caution: If the Novaloc® Mounting Collars do not completely fill the
space between the mucosa and the Matrix Housings any remaining
undercuts must be blocked out to prevent resin flowing under the
Matrix Housings. This can be accomplished by stacking two or more
Mounting Collars or a custom sized and pierced piece of rubber dam.
Then place a Matrix Housing with white Mounting Insert onto each
Novaloc® Abutment, leaving the white Mounting Collar beneath it.
Prepare the lower complete denture to accommodate the Novaloc®
Matrix Housings. Hollow out the existing denture base in the areas
of the Novaloc® Matrix Housings with handpiece and resin bur.
Note: Novaloc® Processing Spacers can be used instead of Matrix
Housings to create the space needed in the denture.
Use wash impression silicone to confirm adequate clearance be-
tween the Matrix Housings and the denture base.
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