Metales en la saliva

Muchos estudios han confirmado la corrosión de las aleaciones dentales. Garhammer et al. han señalado que algunos metales como la plata, el oro, el cromo y otros estaban más presentes en la saliva de pacientes con prótesis de metal que en las de un grupo de control. Las investigaciones indicaron que "el contenido de metales de la saliva se ve afectado, entre otras cosas, por las prótesis de metal intraorales*.
Mediante el análisis de los metales en la saliva podemos detectar cómo se liberan en la saliva los metales de los empastes o coronas. La exposición sistémica a metales debe confirmarse por medio de diagnósticos adicionales.

*Garhammer P, Hiller KA, Reiginger T, Schmalz G. Metal content of saliva with and without metal restorations. Clinical Oral Investigations, Vol 8, No4, 238-242

Amalgamfillings and Dental Materials - Cause of oral health problems?

Summary
The number of amalgam fillings and dental alloys of 86 female patients were recorded. The salivary and urinary concentrations of mercury were determinated by atomic absorption spectrometry (AAS) and the concentrations of various metallic components (silver, copper, tin, gold, palladium, platinum, cobalt, molybdenum, indium, gallium) were analysed by inductively coupled plasma mass spectrometry (ICP-MS). The saliva concentrations of mercury were also determinated after chewing gum and the urinary concentrations of mercury and tin 45 minutes after application of 250mg DMPS (dimercaptopropane sulfonate). The salivary concentrations of mercury, silver, tin and the urinary mercury excretion after DMPS correlated significantly with the number of amalgam fillings, In contrast, there was an inverse significantly correlation between the urinary tin excretion after DMPS and the number of amalgam fillings; also between the urinary tin after DMPS and mercury in saliva before chewing. Possibly there are competitive interactions between the urinary excretion of mercury and tin. Dental alloys shows no effects of the mercury release from dental amalgam. Presumable oral galvanic elements do not exist. Our results showed, that the urinary excretion of metals before DMPS is unsuitable to value the metal burden due to amalgam fillings and dental alloys.

umwelt-medizin-gesellschaft 17 (1): 57-67

Authors:

Prof. Dr. med. Ingrid Gerhard, Universitäts-Frauenklinik Heidelberg, Abt. für Gynäkologische Endokrinologie und Fertilitätsstörungen, Ambulanz für Naturheilkunde, Voßstr. 9, 69115 Heidelberg; Claudia Ganzer, Palmersdorfer Hof 16, D-50321 Brühl

Amalgam - hazardous waste in the mouth?

Metals from tooth materials may partially dissolve in saliva and enter the body through the gastrointestinal tract. Amalgam contains over 50% mercury, at least 20% silver and around 10% tin and copper. When chewing, amalgam fillings can release toxic mercury vapors. Tin and lead, for example, can have a damaging effect on the central nervous system, just like mercury.

Source: : Naturarzt, Ratgeber für ein gesundes Leben