PubMed · 6814268
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G N McNeil. 1982. Water intoxication and lithium.. https://doi.org/10.1176/ajp.139.11.1525b
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Demeclocycline (DM) and methacycline (MT) have been determined by europium-sensitized fluorescence, using EDTA as co-ligand and cetyltrimethylammonium chloride as surfactant. The methods have been developed in slightly alkaline solutions, with the formation of a new chelate where the lanthanide ion is bound to the beta-diketone group. Calibration graphs between 0.01 and 0.1 microg mL(-1) have been obtained for DM and MT determination. Both methods have been applied to the determination of these tetracyclines in serum samples with satisfactory recovery results.
Traumatized teeth present a clinical challenge with regard to their diagnosis, treatment plan and prognosis. The injuries to the permanent dentition include crown and root fractures, subluxations, luxations and tooth avulsion. Common complications are pulp necrosis, periapical pathosis and root resorption. This article will describe new clinical modalities for the treatment of avulsed teeth and discuss the rational for their use.