Dentaltown April 2022 - 60
Hold Firm, Or
Go With the Flow?
A rubric for deciding composite viscosity selection
Composite resin has become the most common material selected by practitioners for direct restorations over
the past three decades. An expanding desire for tooth-colored restorations, advancements in material science and
simplifi cation of delivery are equally responsible for doctors choosing composites for an expanding list of clinical
indications.
Insurance company reimbursement data indicates that Class I and II restorations account for nearly 70% of
composites delivered in contemporary practices. A combination of Class III, IV and V restorations account for
most of the remaining procedures submitted. Through research and development, manufacturers continue to
provide doctors better materials and technologies. In my estimation, the four most important advancements in
this area include:
Nanofi ller technology. Nanofi llers are in large
part responsible for mitigating many of the
shrinkage-related liabilities related to traditional
composites by lowering values below the
2% threshold. Aesthetics, strength, handling and
many other improved characteristics are attributed
to nanoparticle integration.
Bulk-fi ll options. Volumetric shrinkage stress,
depth of cure and conversion, and improvements
in aesthetic potential are just a few challenges that
have been overcome with modern bulk-fi ll entries.
They allow practitioners to reduce delivery time,
simplify technique, and reduce voids and gap
formation associated with traditional layering.
Predictable adhesion. The evolution of bonding
agents affords practitioners simplifi cation with
respect to delivery, expanded and improved adhesion
to various substrates (including predictable dentin
bonds), and just plain stronger bonds with reduced
deviations.
Viscosity variations. One of the most important
advancements in composite differentiation is the
expanded menu revolving around viscosity. Not
only do the traditional body composites present
in a variety of viscosities ranging from very creamy
to mid-consistency and all the way to fi rm, but
all of these also can be further modifi ed via the
introduction of heat using composite warming
technologies that continue to gain traction. Added
to this is an increased menu of fl owable composites
that can range from highly fl owable to the heaviest
of viscosities.
60 APRIL 2022 // dentaltown.com
http://www.dentaltown.com
Dentaltown April 2022
Table of Contents for the Digital Edition of Dentaltown April 2022
Dentaltown April 2022 - Intro
Dentaltown April 2022 - Cover1
Dentaltown April 2022 - Cover2
Dentaltown April 2022 - 1
Dentaltown April 2022 - 2
Dentaltown April 2022 - 3
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Dentaltown April 2022 - Cover3
Dentaltown April 2022 - Cover4
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