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Table of Contents | |
DENTAL CARIES
- Title
- Role of trace elements Se and Li in drinking water on dental caries
experience.
- Author
- Gauba K; Tewari A; Chawla HS
- Address
- Post Graduate Institute of Medical Education and Research, Department of
Dentistry, Chandigarh, India.
- Source
- J Indian Soc Pedod Prev Dent, 11(1):15-9 1993 Mar
- Abstract
An epidemiological survey of dental caries using modified Moller's index
(1966) carried out in 483 children (aged 7-17 years) of rural areas--Talwandi
Kalan, Dhanansu and Bhatian (District Ludhiana) of Punjab with almost similar F
levels in their drinking water supply, similar socio-economic status,
environmental factors/demographic parameters and dietary habits revealed wide
variations in the prevalence and severity of dental caries. Further
investigation extended to evaluate the concentrations of various trace elements
Se, Li, Zn, Cu, Fe and Mn in drinking water to find out the disparity of dental
caries status, revealed that the higher figures of prevalence and severity of
dental caries observed in Dhanansu and Bhatian as compared to Talwandi Kalan
could be attributed to the presence of Se in drinking water supply of these
areas which was not detectable in the water supply of Talwandi Kalan. On the
contrary, the concentration of Li in water supply of Talwandi Kalan with low
caries was found to be higher compared to that of Dhanansu and Bhatian with
higher dental caries in children population.
Title
[Calcitonin and parathyroid hormone secretion and calcium metabolism in
patients with diffuse toxic goiter during treatment with lithium
carbonate]
- Author
- Petrov NM
- Source
- Probl Endokrinol (Mosk), 30(1):22-6 1984 Jan-Feb
- Abstract
- Seventy-six patients (6 males and 70 females) with diffuse toxic goiter,
stages I-II, received lithium carbonate as a thyrostatic drug.
The drug dose ranged from 900 to 1500 g depending on the degree of the
disease clinical symptoms. The treatment with lithium lasted 45 days. Before
drug administration and on days 7, 15, 30 and 45 of treatment the content of
triiodothyronine (T3), thyroxine (T4) and calcitonin was measured in the
thyroid, that of parathyroid hormone (PTH) in the parathyroid gland, and
that of thyrotropic hormone (TTH) in the pituitary. The concentration of
ionized calcium in the serum, calcium excretion with urine, and tubular
calcium reabsorption were measured concurrently. In patients with diffuse
toxic goiter treated with lithium, calcium excretion with
urine substantially reduced, whereas tubular reabsorption of calcium and
phosphates increased. However, serum calcium concentration did not rise,
remaining within normal during all the treatment periods. In the author's
opinion, this was favoured by two factors: the lithium-induced
increase in interstitial calcium absorption on the one hand and compensatory
increase in PTH secretion on the other one. The decreased content of
thyronines in the hemocirculation (T3, T4), a short-term elevation of TTH
and calcitonin elevation in the blood and steady increase in PTH secretion
were characteristic features of the time course of the hormonal parameters
in patients with toxic goiter treated with lithium.
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