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C. Post Bonding and Core buildup
Note: On the prep, avoid pooling of adhesive before light curing of adhesive. Excess adhesive
can be removed with a dry applicator brush or absorbent paper point before light-curing
of the adhesive.
1.
Prepare post space. Size and fit post.
2.
Place adhesive on the post in a thin even layer, lightly air thin if necessary. Light-curing of the
adhesive is optional.
3.
Apply the dual-cure cement onto the post and/or into the post preparation, seat the post, and
vibrate the post slightly to avoid the possibility of trapped air.
4.
When you are satisfied that the post is properly seated, remove all excess cement. Light cure
all surfaces for a minimum of 20 seconds* per surface.
5.
Proceed with core buildup and /or preparation according to manufacturer's instructions for
use.
Note: NX3 can be used as a core buildup material.
IV. Finishing and Polishing
1.
Remove polymerized excess with a finishing diamond bur.
2.
Use finishing strips for proximal area.
3.
Polish margins with Kerr Gloss Plus discs, cups, or points. Use Kerr HiLuster Plus Dia Polishers
for a final high luster shine.
4.
Check occlusion and make adjustments if necessary.
*Recommended Cure Times: Demi, 5 seconds; L.E.Demetron II, 5 seconds; L.E.Demetron I, 10
seconds; Optilux 501, 10 seconds. For all other lights, see manufacturer's recommendation.
CAUTION
1.
For phosphoric acid gel etchant and adhesive, avoid contact with skin, eyes, and soft tissue. In
case of contact with skin or eyes, flush immediately and thoroughly with water. Get medical
attention for eyes. Do not take internally.
2.
Uncured methacrylate resin may cause contact dermatitis and damage the pulp. Avoid contact
with skin, eyes, and soft tissue. Wash thoroughly with water after contact.
Storage and Shelf Life
Store NX3 at ambient temperature.
NX3 is not recommended for use beyond the stated expiration date marked on the packaging.
Limited Warranty - Limitation of Kerr's Liability
Kerr's technical advice, whether verbal or in writing, is designed to assist dentists in using Kerr's
product. The dentist assumes all risk and liability for damages arising out of the improper use of
Kerr's product. In the event of a defect in material or workmanship, Kerr's liability is limited, at Kerr's
option, to replacement of the defective product or part thereof, or reimbursement of the actual
cost of the defective product. In order to take advantage of this limited warranty, the defective
product must be returned to Kerr. In no event shall Kerr be liable for any indirect, incidental, or
consequential damages.
EXCEPT AS EXPRESSLY PROVIDED ABOVE, THERE ARE NO WARRANTIES, BY KERR, EXPRESS OR
IMPLIED, INCLUDING WARRANTIES WITH RESPECT TO DESCRIPTION, QUALITY, OR FITNESS FOR A
PARTICULAR PURPOSE.
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