WELCOME TO NORDIC INSTITUTE OF DENTAL MATERIALS

NIOM works to ensure that dental biomaterials are safe and effective. We undertake research, participate in standardization and provide clinical relevant advice to the dental health services and health authorities in the Nordic countries. NIOM offers research-based consultancy and accredited testing according to international standards. Our independent test laboratory delivers accurate and independent data accepted for third-party evaluations of dental materials and instruments.

NEWS

Tips and insights from NIOM’s webinar: Recommended use of Fluoride

Tips and insights from NIOM’s webinar: Recommended use of Fluoride

“Recommended use of Fluoride” was NIOM’s first webinar in 2018. Participants from the Nordic countries and the rest of the world were present when Senior Scientist Aida Mulic covered topics such as fluorides for caries reduction, the most effective and recommended fluoride products, patients at high caries risk and dental erosive wear.

NIOM presenting at the 2018 NSFT winter meeting in Beitostølen

NIOM presenting at the 2018 NSFT winter meeting in Beitostølen

The Norwegian Society of Pharmacology and Toxicology (NSFT) is holding its 46th annual winter meeting at Beitostølen, Norway, January 25th-28th. The meeting is interdisciplinary. Four NIOM scientists and technical staff are participating with presentations of their...

NIOM webinar: Recommended use of fluoride

NIOM webinar: Recommended use of fluoride

In this 20 min webinar NIOM Senior Scientist Aida Mulic will present the recommendations for use of fluoride to combat the most common oral diseases, dental caries and dental erosions.

NEWSLETTERS

Daily use of antimicrobials?

Scientist at NIOM in collaboration with scientists from the University of Oslo, contributed with lectures at the annual Norwegian Dental Association Convention.

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Toxicity testing of composites

None of the tested composite materials was deemed less safe to use than the others, a recent report from NIOM concluded. The release of monomers from the different composites was similar. Initial cytotoxicity screening of extracts of the materials indicated some differences between the products. However, further evaluations could not verify a cytotoxic potential.

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Gap settings matters

n a recent investigation from University of Oslo and NIOM, none of the three-unit bridges produced with different CAD/CAM systems attained the nominal settings for the cementation gap. The measured gaps were up to twice the sizes set in the CAD-software.

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NEWSLETTERS

Daily use of antimicrobials?

Scientist at NIOM in collaboration with scientists from the University of Oslo, contributed with lectures at the annual Norwegian Dental Association Convention.

read more
Toxicity testing of composites

Toxicity testing of composites

None of the tested composite materials was deemed less safe to use than the others, a recent report from NIOM concluded. The release of monomers from the different composites was similar. Initial cytotoxicity screening of extracts of the materials indicated some differences between the products. However, further evaluations could not verify a cytotoxic potential.

read more
Gap settings matters

Gap settings matters

n a recent investigation from University of Oslo and NIOM, none of the three-unit bridges produced with different CAD/CAM systems attained the nominal settings for the cementation gap. The measured gaps were up to twice the sizes set in the CAD-software.

read more

RESEARCH

Read about our research activities.

PUBLICATIONS

Lysherding – så enkelt og så vanskelig.

For kort herdetid kan føre til mangelfull herding (polymerisasjon) av komposittmaterialer. For lang herdetid kan øke risiko for varmeskade på oralt bløtvev og pulpa. Herdelampens lysstyrke (irradians) reduseres når avstanden øker mellom lysutgangen og materialflaten.
For å opprettholde lysdosen som kreves for tilstrekkelig herding, må herdetiden økes. Kortere lysherdingstider enn omtrent 10 sekunder kan føre til utilstrekkelig herding av materialet.

Side effects of chemical compounds used in dental clinics

The work at a dental clinic implies getting in contact with different chemical substances, which may cause temporary or permanent injury to the staff, primarily allergic reactions, but also local irritation, carcinogenic or toxic effects. Dentists and dental assistants belong to the professional groups most frequently experiencing work-related eczema.

Redefining the Phenotype of Dental Caries

To our knowledge, this is the first study to separate patients into more discrete groups based on dental caries experience defined from longitudinal data and the first to study acute increases in DMFT score between two time points. Our hope with doing so is to provide more power in our predictions of genetic influences of dental caries and perhaps lead to better ways of studying the disease based on more specific categorizations of phenotypes.

LABORATORIES

NIOM TESTED

NIOM has established a programme for the quality evaluation of a number of dental products. The evaluation is based on testing of the products according to methods in relevant ISO and other standards, or according to other well-established and documented test methods. Products fulfilling the set requirements are granted permission to use the NIOM TESTED quality seal. The NIOM TESTED quality seal confirms that the product meets the requirements specified by NIOM.

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