Product Review
 According to Dentsply Caulk, this
finish is retained over time. The manufacturer also
claims that the nano-technology behind Lasting
Touch creates better wear and stain resistance compared
with other leading polishers.
Benefits of Liquid Polish
Liquid polishers, also called surface sealants, in
addition to providing gloss to composite resin
restorations, have also been cited as reducing
microleakage at composite margins.1,2 It has been
found that poor marginal adaptation and microleakage
are the most common causes of composite
restoration failure.34 In these studies,
restorations that were polished with a
liquid sealant were compared with
restorations that received no treatment.
Instructions and Training
When the dentist evaluators were
asked to rate the importance of instructions
and training when purchasing a
polish, 2 said they were very important,
3 said they were important, and 2 rated
them as somewhat important. When
they were then asked to rate Lasting
Touch on instructions and training, the
7 dentists rated the polish as good to
excellent.
Polishing with Lasting Touch includes
6 steps:
1. Etch the uninstrumented enamel
before application of the polish.
2. Insert interproximal strips.
3. Apply polish using a continuous,
horizontal motion.
4. Light cure for 15 seconds.
5. Remove the air-inhibited layer with
a cotton pellet soaked in alcohol.
6. Buff the restoration with a dry cotton
pellet.
Wear and Stain Resistance
The evaluators were asked about
the importance of wear and stain resistance
when purchasing a polish. They
rated these attributes important to very
important. The evaluators were then
asked to rate Lasting Touch on wear
and stain resistance. Four rated the
product as good for wear resistance,
while the other 3 did not rate the product
on this attribute because they were
not able to recheck their patients. For stain resistance, 4 of the evaluators
rated Lasting Touch as good to very
good. Again, because they were unable
to recheck their patients, 3 evaluators
did not rate the product on this criteria.
Overall Satisfaction
Lasting Touch received mixed reviews
when the evaluators were asked about
overall satisfaction. Four of the evaluators
rated the polish good to very good,
while the others rated it as fair. Some of
the evaluators found polishing to be an
extra step to the finishing process.
The evaluators found the final gloss
they achieved with Lasting Touch to be
very good. They rated the variety of indications
for this product good to excellent.
References
1. Owens BM, Johnson WW. Effect of new generation
surface sealants on the marginal permeability
of Class V resin composite restorations.
Oper Dent. 2006;31:481-488.
2. Ramos RP, Chimello DT, Chinelatti MA, et al.
Effect of three surface sealants on marginal
sealing of Class V composite resin restorations.
Oper Dent. 2000;25:448-453.
3. Ferdianakis K. Microleakage reduction from
newer esthetic restorative materials in permanent
molars. J Clin Pediatr Dent. 1998;22:221-229.
4. Attar N. The effect of finishing and polishing
procedures on the surface roughness of composite
resin materials. J Contemp Dent Pract.
2007;8:27-35.
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