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Dr. rer. nat. Matthias Mehring

VOCO GmbH, Knowledge Communication

Anton-Flettner-Str. 1-3

D-27472 Cuxhaven

Tel.: +49 (0)4721-719-211

Fax: +49 (0)4721-719-109

m.mehring@voco.de

www.voco.de

Background

Dr. Mehring studied chemistry at the Oldenburg University (Germany) and was awarded his diploma in 2007. Since 2007 he

worked as a scientific researcher and received his Ph.D. for his work in the field of Theoretical Chemistry (magna cum laude) in

2011. Within the research institution Center of Interface Science he also worked as a lecturer and a supervisor for undergraduate

students. In 2011 he joined the VOCO company.

Research

His key aspects of research were quantum chemistry and quantum dynamics combined with a detailed insight in sub-atomic

behaviour as well as scientific programming and high-performance computing. For his strong research Dr. Mehring was awarded

the 1st prize in Symposium on Theoretical Chemistry 2008. Due to his chemical background he is an expert in structure-activity

relationships as well as micro- and macro kinetics on surfaces and interfaces.

Teaching (Lectures)

Dr. Mehring works as a lecturer since 2007. He taught students in Nanotechnology, Theoretical Chemistry, Physical Chemistry,

Quantum Chemistry and Scientific Programming at the Oldenburg University. From 2007-2011 he also gave lectures in Quantum

Chemistry at the European Summerschool in Quantum Chemistry in Lund, SE and Palermo, I.

His main topics in dentistry are composites, adhesives, endodontics, prophylaxis and "dental chemistry". As a chemist he is

familiar with chemical topics like polymerization, mechanisms of bonding, nanotechnology, Ormocers, the chemistry of

fluoridation but also with questions of compatibility of materials, biocompatibility or microleakage.

mailto:m.mehring@voco.dehttp://www.voco.de/http://www.voco.de/mailto:m.mehring@voco.de

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Lecture topics

Bleaching of vital teeth and additional fluoridation actions - chemical background and helpful hints (120 min)

Brilliant white teeth have become a status symbol today. Hence, more and more people use bleaching products to whiten their

teeth. But what is the mechanism behind that concept? What are benefits and what are limitations of different bleaching

methods? By what are sensitivities caused and how may they be avoided? This lecture gives detailed answers to all open

questions and will help the dentists to get closer to this relatively new treatment field.

A chemical focus on adhesive processes of dental materials (120 min)

This lecture gives an introduction to the important chemical mechanisms involved in the procedures of dental adhesion. Although

you dont have to know the chemistry in detail, this lecture helps you to avoid mistakes and to foresee possible compatibility

problems. Thereby, the lecture shows the chemistry but nonetheless always focuses on the clinical implications. An extensive

overview of the different generations of bonding systems besides interesting comparisons of Total-Etch and Self-Etch bonding

systems are also part of this lecture.

Latest trends in composite technology (120 min)

High-quality nano-filled composites with excellent physical and mechanical properties combined with reliable bonding systems

have revolutionized the dentists daily work. This lecture explains the chemistry connected to composites resins (e.g.

polymerization and catalytic systems), the influence of the filler particle systems, the influence of different light sources in the

polymerization step and much more. With introduction of the nano technology in the dental world, the next generation of filling

materials was born. But what do we call exactly nano? What are benefits of working with nano-filled composites? This lecture

gives interesting facts about nano technology and also allows a slight outlook to composits of near future.

Glass-fibre reinforced posts (90 min)

When it comes to post-endodontic treatment, dentists have a wide choice of different post systems: active and passive posts

made of metals, zirconia or reinforced composite based posts (carbon-fiber, glass-fiber or quartz-fiber). This presentation will

focus on the advantages and disadvantages of the different systems. Additionally, this lecture will teach you a few aspects on

bonding systems and their incompatibilities, which will help you to avoid possible mistakes during luting of posts or core build-up.

The chemistry of luting materials (45 min)

With ever more materials used in the manufacturing of indirect restorations and ever more luting materials in the market, luting

has become a very complex field in dentistry. This lecture gives an overview of the different materials of indirect restorations and

their proper pre-treatment as well as an overview of the different types of luting materials, their properties, their benefits and

their limitations.

Marginal integrity - is it really all about shrinkage? (45 min)

When composites where introduced in filling therapy, their high shrinkage limited their clinical success. Over the last 30 years

much effort was taken to find ways to minimize shrinkage and thereby to increase marginal quality. But is marginal integrity only

about shrinkage? This presentation will discuss other factors which are strongly connected to marginal integrity.

Hypersensitivity - Reasons and treatment strategies (45 min)

Dentine hypersensitivity is a widespread symptom; some studies say that more than half of the worlds population is affected by

sensitivity. This lecture gives an overview of different reasons leading to sensitivity and the strategies used to treat it. Also

sensitivity as a common side-effect in bleaching procedures is discussed.