M.J.M. Schaeken

Proefschriften 25 jaar na dato 21. Bacteriebestrijding met chloorhexidinevernis en probiotica

M.J.M. Schaeken

The aim of the research described in 'Chemotherapy against Streptococcus mutans' was to increase colonization resistance against mutans streptococci by inoculating Actinomyces naeslundii on the dentition. Actinomyces naeslundii established better after chlorhexidine application than after dental cleansing only but did not exceed …

Effect of Chlorhexidine Varnish on Streptococci in Dental Plaque from Occlusal Fissures

M.J.M. Schaeken, J.S. van der Hoeven, C.W.A. van den Kieboom

The treatment of tooth surfaces with chlorhexidine varnish may lead to long-lasting suppression of mutants streptococci in dental plaque. Microbiological observations following varnish treatment suggest that this prolonged suppression might be caused by bacterial interference. To investigate whether physiologically related organisms, such …

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Effect of Chlorhexidine Varnish on Actinomyces naeslundii Genospecies in Plaque from Dental Fissures

M.J.M. Schaeken, H.J.A. Beckers, J.S. van der Hoeven

This study describes the effects of varnish containing 40% chlorhexidine diacetate on Actinomyces naeslundii populations in plaque from human molar fissures. In each of 15 subjects two dental fissures with high levels of mutants streptococci were selected. The experimental treatment consisted of …

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Electrical Conductance of Fissure Enamel in Recently Erupted Molar Teeth as Related to Caries Status

Y.L. Ie, Emiel H. Verdonschot, M.J.M. Schaeken, M. A. vanʼt Hof

Pit-and-fissure caries lesions contribute greatly to the caries incidence in permanent molar teeth in children. To date, the diagnosis of occlusal caries is still performed mainly by visual inspection, periodically aided by bite-wing radiography. However, in detecting small occlusal carious lesions, these …

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Streptococci and Actinomyces Inhibit Regrowth of Streptococcus mutans on Gnotobiotic Rat Molar Teeth after Chlorhexidine Varnish Treatment?

J.S. van der Hoeven, M.J.M. Schaeken

Clinical studies suggest that the long-term suppression of mutans streptococci on tooth surfaces after intensive chlorhexidine therapy is mainly due to bacterial interference. Other streptococci and also Actinomyces naeslundii are proposed to inhibit regrowth of mutans streptococci after suppression by the agent. …

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Lactobacilli, Mutans streptococci and Dental Caries: A Longitudinal Study in 2-Year-Old Children up to the Age of 5 Years

F.J.M. Roeters, J.S. van der Hoeven, R.C.W. Burgersdijk, M.J.M. Schaeken

A 3-year cohort study was carried out in 252 pre-school children for early identification of caries-active individuals. During this period information was collected about the acquisition of mutants streptococci and lactobacilli from the age of 2 till 5 years old. At baseline …

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Abstracts of Papers Presented at the 42nd ORCA Congress

Kim Ekstrand, Irina Kuzmina, Lars Bjørndal, A. Thylstrup et autres

Announcements

J.S. van der Hoeven, P.J.M. Camp, M.J.M. Schaeken, C.W.A. van den Kieboom et autres

Effect of Single and Repeated Application of Chlorhexidine Varnish on Mutans Streptococci in Plaque from Fissures of Premolar and Molar Teeth

Y.L. Ie, M.J.M. Schaeken

The aim of this study was to determine the effects of one and two applications of 40% chlorhexidine varnish on the numbers of mutants streptococci in human dental fissure plaques from molar and premolar teeth. Twenty-nine subjects (aged 20-30 years) participated in …

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The Effect of Chlorhexidine and Zinc/Triclosan Mouthrinses on the Production of Acids in Dental Plaque

J.S. van der Hoeven, Donna R. Cummins, M.J.M. Schaeken, F.J.G. van der Ouderaa

Chlorhexidine, and zinc in combination with triclosan, are used as anti-plaque agents in the prevention of gingivitis. The multifunctional activity of these compounds against bacterial cells has been proposed to include interference with sugar transport and reduction of glycolysis. In this study …

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Control of Calculus Formation by a Dentifrice Containing Calcium Lactate

M.J.M. Schaeken, J.S. van der Hoeven

The aim of this study was to re-investigate the anticalculus effects of calcium lactate. To this end calcium lactate was incorporated into experimental toothpastes. Three groups of 20 human volunteers brushed their teeth at least twice daily with three different toothpastes: (1) …

Acknowledgements

Adrian Lussi, Alan Trevor Linde, Hitoshi Tsuda, Jan Willem Arends et autres