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I Kot

Publications and source records attributed to I Kot.

10 recordsLinked to original sources

[Study on the content of certain elements in retained teeth].

The content of calcium, phosphorus.potassium and zinc was determined in 21 retained canine teeth and in a control group of canine teeth erupted completely. In the measurement the method of X-ray fluorescence was used. The obtained results were subjected to statistical analysis. In relation to control canines the retained teeth contained significantly more calcium and phosphorus and significantly less potassium. No significant differences were found in zinc content.

Calcium↗

[Age and content of certain mineral components in permanent teeth].

The chemical composition of the teeth is determined during its development, however, in the postdevelopmental period changes of inorganic components are possible, which have an important effect on the morphology, structure and chemical composition of teeth. Using the method of X-ray fluorescence the levels of Ca, P, Cl, S, K and Zn were determined in hard tissues of 218 permanent non-carietic teeth from all dental groups. The correlation between these various elements in the teeth and the age of the subjects, whose teeth were taken for the investigations, was expressed with the correlation coefficient r of Pearson. The significance of the correlation was analysed using Students t test. In case of significant correlation equations of regression were determined for predicting the expected value of the level of a given element in teeth for a given age. No significant differences were noted in the levels of Ca and P in relation to age. The levels of S, K and Zn rose with age, while the chloride content was decreasing.

Age Factors↗

[Potassium content analysis in healthy teeth in people of various ages].

Potassium level in permanent teeth has been designated by X-ray fluorescence and some relationships of the content of this element between individual groups of teeth according to the age and sex have been proved. Average K level in molar teeth of men and women was 272.1 +/- 50 (M-SE) ppm, in premolar teeth--297.6 +/- 7.1 ppm, in cuspid teeth--287.0 +/- 7.5 ppm and in incisive teeth--324.7 +/- 12.3 ppm. Irrespective of the age potassium level in permanent teeth in men and women doesn't essentially differ. In the remaining groups of teeth but molar teeth potassium level essentially increases with the age. The greatest growth of potassium with the age has been observed in incisive teeth.

Age Factors↗