FIELD: medicine.;SUBSTANCE: invention refers to medicine, namely dentistry, and may be used for local immune therapy of chronic odontogenic maxillitis. That is ensured by the intraoperative introduction into a sinus of a tampon impregnated with 6.25% cyclopheron prepared of 12.5% cyclopheron dissolved in Octenisept antiseptic solution. On the second, third, forth, seventh and eighth postoperative days, 5% ointment is applied in the sinus directly.;EFFECT: invention provides preventing recurrent sinus contamination by nosocomial flora, reduces a risk of inflammation of the postoperative wound.;1 ex
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