PRACTICE STEP BY STEP
PEER REVIEWED
Bonded Sealant Application for Crown Fractures
Brook A. Niemiec, DVM, FAVD, Diplomate AVDC F
or uncomplicated crown fractures with no radiographic evidence of disease, bonded sealant application can: UÊ,iÃolÛiÊÃinÃiÌiÛiÌÞ UÊ
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TOOTH PREPARATION A B
PRACTICE POINTS r Use fluoride-free pumice for
polishing to avoid interference with future acid etching.1
r Bonding systems that combine the etch with the bonding agents may not be strong enough.
r The patient can eat and drink normally following restoration with bonding agents.
1 44
Scale and polish the surface of the tooth being treated. Remove
any unsupported or damaged enamel with a fine diamond bur or white stone.
2
Smooth the area to be bonded with either progressively fine sanding disks mounted on a mandrel and powered by a slow-speed hand- piece (A) or a fine-diamond bur on a high-speed handpiece (B).
Today’s Veterinary Practice July/August 2011