The invention is a pharmaceutical composition for the oral hygiene for the treatment of the periodontal illnesses and the Halitosis. A surprising medical effect can be reached by treating pathological tissues with the pharmaceutical composition of the present invention which will make the treated pathological tissues dehydrated, atrophied, and absorbed or sloughed off. The cladding layer preferably contacts the core ingot at a position on the ingot surface where the metal of the ingot is incompletely solid, e. The size of the capacitor selected to be similar to the size of the capacitance associated with the low-side driver transistor.