Cementation Instructions:
- Zeno Tec crowns or bridges can be cemented with any conventional
PFM cement (Glass Ionomer, Zinc Phosphate) or Composite Resin Cement
(Panavia 21 or Unicem).
NOTE: Cements with higher expansion rates (e.g., hybrid ionomer cements) must
NOT be used.
- Clean tooth surfaces. Tooth surface should not be dehydrated when
cement is applied. Excessive drying concentrates protein debris and prevents
efficient
wetting of
tooth surface.
- Never use varnishes to protect tooth if polyacrylic acid cements
are used
(prevents chemical bonding to tooth structure).
- Protect margins of cement with
varnish after initial set (5 to 6 minutes). Saliva should not come
into direct contact with unset cement.
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