Electrochemical processes in the patients oral cavity during their orthodontic treatment
DOI:
https://doi.org/10.15587/2313-8416.2015.57236Keywords:
metallic inclusions in the oral cavity, electrochemical potentials, orthodontic apparatus, intolerance to the metallic inclusions in oral cavity, galvanic couplesAbstract
Aim of research was to study the electrochemical potentials of metallic stomatological materials in oral cavity of patients who undergo orthodontic treatment that allows diminish the risk of the development of intolerance to metallic inclusions.
Materials and methods of research. 22 patients of both sexes 15-40 years old underwent clinical examination.
All patients had in their oral cavities the composition of several types of metallic inclusions: 3 persons – amalgam fillings and orthodontic apparatuses; 2 persons – one-piece steel crowns with ceramic coating and stationary retainers of the steel wire; 5 persons – bracket-system and retainers of wire. 12 persons underwent treatment with stationary apparatus. There were assessed the state of the mucous tunic in the oral cavity, the state of metallic inclusion surfaces and also there was measured the value of difference of electrochemical potentials between the metallic inclusions using biopotentialmeter BPM-03.
Results of research. The identical galvanic couples in the oral cavity had the different value of voltage in different patients that is obviously connected with an influence of electrolytic factors of saliva.
Despite the essential difference of potentials that was observed at presence of metallic inclusions in oral cavities of the most patients under observation the subjective and objective signs corresponding to galvanic syndrome were observed only in 4 patients.
Conclusions The data on the level of electrochemical potentials in combination with information about the state of metallic inclusion surfaces and data on anamnesis have a great importance for assessment of the possibility of appearance of intolerance to metallic inclusions and for its prophylaxis in the oral cavity of patients who undergo orthodontic treatment.
The combination of amalgam with orthodontic apparatus is the most unfavorable one from electrochemical point of view. Galvanic couples including bracket-system elements have the least effectiveness so the risk of appearance of intolerance to metallic inclusions is minimal
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