Rita Sorvari

Surface Ultrastructure of Rat Molar Teeth after Experimentally Induced Erosion and Attrition

Rita Sorvari, Alpo Pelttari, Jukka H. Meurman

Young Osborne-Mendel rats were given different diets for 6 weeks. Effects of soft and rough food as well as acidic sport drink on the lingual surfaces of first mandibular molars were studied. In addition, the effect of fluoride on erosion was examined. …

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Effect of Fluoride Varnish and Solution on Enamel Erosion in vitro

Rita Sorvari, Jukka H. Meurman, PEKKA ALAKUIJALA, R.M. Frank

The effect of fluoride varnish and solution on initial enamel erosion was studied. Enamel specimens prepared from human third molars were treated for 24 h with Duraphat varnish (2.26% F) or for 48 h with NaF solution (1.2% F), washed, and immersed …

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Announcements

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

The Effect of Perinatal TCDD Exposure on Caries Susceptibility in Rats

Hanna Miettinen, Rita Sorvari, Satu Alaluusua, Mari Murtomaa et autres

2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD), the model compound of polychlorinated dibenzo-p-dioxins and furans, is a potent toxicant with the ability to hamper development. Accidental exposure to TCDD has been linked with various developmental dental aberrations in humans, and experimentally it has been shown that TCDD …

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Child nutrition and oral health in Ulaanbaatar

Henna M. Karvonen, Outi Nuutinen, Ulla M. Uusitalo, Rita Sorvari et autres

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Dental erosion in deciduous teeth—an in vivo and in vitro study

A.‐K. JOHANSSON, Rita Sorvari, D. Birkhed, Jukka H. Meurman

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Hospital mouth‐cleaning aids may cause dental erosion

Jukka H. Meurman, D. Odont, Rita Sorvari, Alpo Pelttari et autres

Maintaining satisfactory oral health in bed-ridden patients often calls for special aids, such as moistened cotton swabs. The purpose of this in vitro study was to investigate three commercially available swabsticks meant for hospital use (Dentiswab, Lemon-Glycerin Swabsticks, and Lemon Glycerine Swabs), …

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Efficacy of chlorhexidine solution with fluoride varnishing in preventing enamel softening by Streptococcus mutans in an artificial mouth

Rita Sorvari, S. Spets-Happonen, HEIKKI LUOMA

For study of the enamel-protective effect of chlorhexidine-fluoride applications, the labial surfaces of pieces of bovine incisors were treated with 0.2% chlorhexidine gluconate solution, with Duraphat fluoride varnish, or with both of the above agents, while one group was treated with distilled …

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[Development of dental education over 100 years].

Rita Sorvari

Drinks and dental health.

Rita Sorvari, Inkeri Rytömaa

The average daily requirement for water in man is 2-3 litres, of which more than half comes from drinks. Although the total consumption of various drinks is quite stable, the choices of beverages are slowly changing. In many Western countries e.g. the …

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Effect of sport-drink with and without fluoride and magnesium supplements on rat performance

Rita Sorvari, M. N. E. Harri

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Effects of various sport drink modifications on dental caries and erosion in rats with controlled eating and drinking pattern.

Rita Sorvari

A sport drink mixture, pH 3.2, containing 6% sucrose, was given to Osborne-Mendel rats, either as such or supplemented with 15 ppm fluoride, 38.5 ppm magnesium or both. Distilled water was given to the control groups. The rats were fed either a …