E. Hellwig
University of Freiburg
5 Papers
83 Citations
E. Hellwig is an academic researcher from University of Freiburg. The author has contributed to research in topics: Chemistry & Fluoride. The author has an hindex of 5, co-authored 5 publications.
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Papers
Systemic versus topical fluoride
E. Hellwig,Á.M. Lennon +1 more
TL;DR: The mechanism of fluoride action is still a subject of debate as discussed by the authors and its effect on the de-and remineralization kinetics of dental hard tissues is still open for further investigation.
Individual Vitality Pattern of in situ Dental Biofilms at Different Locations in the Oral Cavity
TL;DR: A great variation of the vitality values for the different layers and among the 8 subjects was found, Nevertheless, the analysis of the data of each single volunteer revealed a very similar vitality pattern in all twelve locations.
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Impact of the intraoral location on the rate of biofilm growth
TL;DR: The results demonstrate that the in situ biofilm thickness on the buccal sites was similar irrespective of the location in the oral cavity, and the new splint system described may be a useful tool for further standardised experimental studies regarding influences on growth and structure of intraoral biofilms.
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Influence of buffering effects of dentifrices and fluoride gels on abrasion on eroded dentine.
TL;DR: Dentifrices with same pH-value, fluoride content and similar RDA-values but a higherbuffering capacity exhibited significantly more abrasion than toothpastes with lower buffering capacity, while highly-concentrated fluoride gel with higher Buffering capacity lead to less abrading values compared to the gel with low fluoride concentration and low bufferingcapacity.
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An in vitro investigation of penetration depth of dentine bonding agents into carious dentine.
Petra Hahn,E. Hellwig +1 more
TL;DR: Dentine bonding agents could completely penetrate the unexcavated outer carious dentine in 90% of specimens, and acid etching significantly reduced the thickness of the outer caries zone, and the penetration depth of the bonding agents into unexCavated carious specimens by approximately 50%, and increased it into sound dentine.
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