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36 NEWS Dental Tribune Middle East & Africa Edition | 3/2018 PROPER EXECUTION OF EACH STEP OF THE CLASS II PROCEDURE IS ESSENTIAL FOR SUCCESS. By addressing the most vulnerable interface and delivering esthetic results efficiently, you can be more confident that the result will positively impact patient experience and the bottom line of your business. DENTAL PROFESSIONALS’ PRIMARY CONCERNS WHEN PERFORMING POSTERIOR RESTORATIONS1 : 82% CLINICAL LONGEVITY 81% MARGINAL INTEGRITY 53% ADAPTION 40% ESTHETICS 30% TIME CONSUMPTION 0 0 1 0 0 1 1 0 0 0 0 1 1 0 0 0 0 1 17% PROFITABILITY THE MOST VULNERABLE INTERFACE Studies show that the #1 reason for composite failures is recurrent caries. Dentsply Sirona products work together to protect the floor of the proximal box, the most vulnerable interface.2 Protect it with the power of three proven products. 1. ISOLATE the restorative field with a tight gingival seal - the first step in protecting the most vulnerable interface. Palodent® V3 Sectional Matrix System 2. CREATE a strong bond with an adhesive that gives you high bond strength and low film thickness. Prime&Bond universal™ Universal Adhesive 3. MAINTAIN marginal integrity while also achieving excellent cavity adaptation. SDR® Plus Posterior Bulk Fill Flowable Base EFFICIENT ESTHETICS Achieve efficient esthetics with a simplified shade selection process, and finishing in a single step. Efficient esthetics is where artistry and efficiency meet. Deliver smooth, contoured surfaces and simplified shade matching for your Class II restorations. FINISHING AND POLISHING make up 14% of total chair time for a Class II procedure.3 RESTORATIONS THAT LAST Clinicians can increase the longevity of Class II restorations with proper finishing technique.4 APPEARANCES MATTER More than 80% of patients are reportedly aware of color differences between restored and adjacent natural teeth.5 SIMPLIFY shading and preferred handling, for lifelike results in less time. FINISH and improve your likelihood of success while saving time. ceram.x® SphereTEC™ one Universal Nano-Ceramic Restorative CHAMELEON EFFECT SURFACE IRREGULARITIES Helps dentist more accurately match the tooth shade, offsetting variables in shade selection including extrinsic staining, lighting, and shade availability. By reducing surface irregularities with proper finishing, you can avoid things like staining, plaque retention, gingival irritation and recurrent caries. Plaque Accumulation Gingival Irritation Staining SOURCES 1 Dental Products Report April 2015 posterior composite survey. 2 Durable Bonds at the Adhesive/Dentin Interface. Braz Dent Sci. 2012; 15(1): 4-18 3 DENTSPLY Caulk procedure timing breakdown study. Data on file. 4 Christensen, G J. (2014). Simplifying your Class II Composite Finishing Technique. Clinicians Report, Colum 7 Issue 4 5 Joiner A. Tooth colour: a review of literature. JDent. 2004; 32 (Suppl. 1): 3-12 Researchers develop drug-fi lled 3-D printed dentures By DTI NEW YORK, U.S.: It is not uncommon for denture wearers to suffer fungal in- fections that cause infl ammation, red- ness and swelling in the mouth. Seeking to avoid or better treat such denture- related stomatitis, researchers from the University at Buffalo have used 3-D printing to create dentures fi lled with microscopic capsules that periodically release amphotericin B, an antifungal medication. They found that the den- tures reduced fungal growth. “The major impact of this innovative 3-D printing system is its potential impact on saving cost and time,” said the study’s senior author, Dr. Praveen Arany, an as- sistant professor in the Department of Oral Biology in the university’s School of Dental Medicine. Using PMMA for the denture material, the researchers sought to determine if the dentures could both maintain their strength and effectively release anti- fungal medication contained in biode- gradable, permeable microspheres. The microspheres protect the drug from the heat of the printing process and allow the release of medication as they gradu- ally break down. With a fl exural strength testing machine, the scientists found that, while the fl exural strength of the 3-D printed dentures was 35 percent less than that of a conventional laboratory- fabricated denture used as a control, the printed dentures never fractured. To examine how well the dentures could release the antifungal medication, the dentures were tested with one, fi ve and ten layers of material to learn if addi- tional layers would allow the dentures to hold more medication. The researchers found that the dentures with fi ve and ten layers were impermeable and thus not effective at dispensing the medica- tion. With the new approach, Arany believes the antifungal application could prove invaluable among those highly suscep- tible to infection, such as the elderly and hospitalized or disabled patients. Ad- ditionally, unlike current treatment op- tions, such as antiseptic mouthwashes, baking soda and microwave disinfec- tion, the new means of controlled drug release can help prevent infection while the dentures are in use. Arany and his colleagues are now look- ing to further research how to reinforce the 3-D printed dentures with glass fi b- ers and carbon nanotubes to achieve greater mechanical strength and to fo- cus on denture relining. The study, titled “Functionalized pros- thetic interfaces using 3D printing: Gen- erating infection-neutralizing prosthesis in dentistry,” was published in the June 2018 issue of Materials Today Commu- nications.