Salivary analyses and caries increment over 4 years: an approach by cluster analysis.

Main Problem: Caries as a multifactorial process is influenced by salivary defense. Cluster analyses should give additional information on the role of salivary variables in relation to caries increment.

Methods: Samples of unstimulated and stimulated whole saliva from 28 young adults (mean age 23.

Quantitative transmission electron microscopic study of dental plaque--an in vivo study with different mouthrinses.

Only a few studies of dental plaque in transmission electron microscopy (TEM) have been performed. The authors have applied TEM for morphometric analysis of dental plaque. Wearing acrylic splints with bovine enamel pieces on the buccal surface of teeth 36 and 46, 21 volunteers rinsed twice a day with a solution of chlorhexidine digluconate, amine/stannous fluoride, or sodium chloride.

[The assessment of the caries risk in young adults].

Several factors for caries prediction have been proved in a one-year follow-up study on 73 patients. The white-spot lesions have proved to be a good criteria for caries prediction in this population. These lesions could be combined with the microbiological tests Dentocult SM and Oricult N or with the determination of the buffer capacity (Dentobuff), which did not much improve the prediction.

[Modification of anxiety in children prior to dental treatment using premedication with Faustan diazepam)].

In about 22% of children aged from 7 1/2 to 12 years we established heavy reaction of anxiety. To proof the influence of Diazepam to dental treatment we carried out clinical investigations in 40 patients. By means of premedication with Diazepam we got a positive effect for readiness of treatment.

[The quantitative determination of resistance factors in the saliva of patients with very high caries involvement].

The unstimulated and stimulated whole saliva of patients with a very high caries experience were used for the determination of the flow rate, total protein, and the antibacterial proteins lysozyme, S-IgA and lactoferrin as well as the peroxidase and thiocyanate being components of the salivary peroxidase system. The concentration, the specific concentration and the secretion rate were calculated.