Novus is a new denture liner material made from polyphosphazene that offers improvements over traditional denture lining materials. It remains resilient long-term without hardening. Novus bonds well to denture bases, is easy to adjust and polish, and resists fungal growth without treatments. It can be molded around implants and abutments to improve denture retention and comfort. Novus uses standard lab processing and offers permanent softness for improved denture wearer satisfaction.

1. InPractice
Step by Step / Tech Profile
NOVUS™ Denture Liner
AN INNOVATIVE USE OF POLYPHOSPHAZENE IN DENTISTRY
By Lawrence Gettleman, DMD, MSD
› Prior to the use of acrylic denture di- and tri-functional cross-linking The Novus laboratory-cured com- Lawrence Gettleman, DMD, MSD, is
bases in the 1930s, complete dentures acrylic monomers, and its ability to plete denture liner is shock-absorbent a professor of Prosthodontics and
were made of vulcanized natural rub- be compounded at various levels of during chewing, offering more pa- Biomaterial at the University of
ber and were somewhat resilient dur- hardness. The one-part material is tient comfort with fewer adjustments Louisville’s School of Dentistry in
ing chewing. Acrylics are much harder designed to be cured without mixing and is resistant to surface and sub- Louisville, Kentucky.
and inflexible, making dentures more at temperatures common to a dental surface fungal growth so that there is
difficult to wear, pinching the delicate laboratory, such as compression at no fouling, odor, or stain. The mate-
FOR MORE INFORMATION, CONTACT:
tissues of the mouth between hard 20.7 MPa (3000 psi) and heating up rial is moldable around overdenture
acrylic resin and the underlying re- to boiling water temperature. abutments or implant heads and bars Lang Dental
sidual bone. A number of resilient lin- Unlike other resilient denture liners, to provide denture retention, stabil- Phone 800-222-5264
ing materials have been used against Novus does not harden like plasticized ity, and support, and allows denture Web www.langdental.com
acrylic denture bases, but each has acrylics and needs no periodic sur- movement toward the abutments E-mail dlang@langdental.com
some drawbacks. Phthalate- or al- face coating to restrict the migration and tissues. Novus has low surface
cohol-plasticized acrylics bond well of toxic plasticizers. It is passive to tension with excellent wetting and
to the denture but harden in days or fungus overgrowth, requiring no pe- offers permanent softness, with a Disclaimer
weeks because they lose plasticity. riodic antimicrobial treatments, unlike Shore A durometer between 35 and The preceding material was provided by the
On the other hand, silicone rubbers silicone and urethane materials. Novus 45 and no plasticizers to leach out. It manufacturer. The statements and opin-
remain resilient but do not bond as bonds well to acrylic denture bases uses standard dental laboratory com- ions contained therein are solely those of
well, have a low mechanical storage without special adhesives, and it is pression-molding processing steps, the manufacturer and not of the editors,
modulus, and in many patients, grow surprisingly easy to grind, adjust, and and the single-component paste has publisher, or the Editorial Board of Inside
fungus within pores in the bulk ma- polish with most rotary instruments. an unlimited shelf life, if refrigerated. Dental Technology.
terial, after antifungal agents have
leached away. Polyurethane or vinyl
polymers require more complex pro-
cessing conditions, special equipment, The Novus Definitive Resilient
Denture Liner has three package
have higher hardness, absorb environ- sizes available to produce five, 15,
mental colorants, and also promote and 45 dentures.
fungal growth.
The National Institute of Dental and
Craniofacial Research listed the devel-
opment of improved resilient lining
materials as a goal for many years,
and supported the creation of Novus
at Gulf South Research Institute in
New Orleans. It was determined that
polyphosphazene (a semi-organic
polymer) would be a good candidate
as a resilient soft liner for dentures.
Polyphosphazene was found to be
nearly ideal due to its biocompatibil-
ity, energy absorption, acceptance
of fillers and pigments, compatibility
with an interpenetrating network of
70 INSIDE DENTAL TECHNOLOGY April 2011 www.dentalaegis.com/idt
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2. Finally, a denture liner AVA
NOW
I LAB
that will perform … LE!
and last long-term!
Permanent resiliency
over extended time
Bonds chemically to acrylic
denture base resins
Processed, packed and
cured using conventional lab Whether it is a new denture or a reline of an
processing procedures existing denture, denture wearers will appreciate
Can be trial-packed the long-term benefits of improved fit, function
Can be molded around implant, and comfort in their denture when Novus™ ,
bar and overdenture abutments Definitive Resilient Denture Liner is
Resistant to fungal growth applied to their denture.
NOVUS™ Available NOW!
Call your local dental supplies dealer, or Lang Dental directly to
learn how to get started with the definitive answer to improving
denture wearers comfort and function … improving their lives,
and the care they receive from their dental professional.
Product Information: www.langdental.com
(Circle 45 on Reader Service Card)
NOVUS™ : Definitive Resilient Denture Liner is manufactured by Lang Dental Mfg. Co., Inc.
175 Messner Drive Wheeling, IL 60090 USA (847) 215-6622 Fax (847) 215-6678
Toll free in U.S. & Canada 800-222-LANG (5264) Fax: 866-278-8510 www.langdental.com
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