In head and neck surgery for advanced cancer, standard aseptic procedures do not prevent contamination of the surgical field with physiological bacterial flora of the skin and oral cavity. Although contamination was common, surgical site infection was rare.

Abstract— Three groups of men aged 19 to 22 years were examined. Group A was regarded as control, group B was treated topically with stannous fluoride solution every 6 months, group C received a gel for brushing once a week. All the subjects were re‐examined after 6, 12, 18,24,30 and 36 months and DMFS scores were analysed. In the end of the trial 639 teeth from 213 participants were evaluated in vivo for enamel solubility rates by the CRT test. After three years of treatment both examinations disclosed that the gel was more effective in dental caries inhibition and reduction of the enamel solubility in acids, than stannous fluoride solution.

Surface area size and the presence of the periosteum as well as a bone infiltration are important factors that can guide selection of a reconstruction method after resection of scalp malignancy.

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