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To determine the effect of phenytoin (PHT) on dentin apposition and the rate of caries progression in dentin, 40 Wistar rats were treated daily for 35 days with intraperitoneal injections of 5,5-diphenylhydantoin. Twenty-eight controls received saline with pH adjusted to that of PHT. One PHT and one
A 31-year-old man with nasal cavity squamous cell carcinoma was treated in our hospital with two courses of radiotherapy (120 Gy total dose) followed by surgical tumor resection. Three years after the last irradiation, he developed seizures as well as changes in behavior and consciousness. Medical
The oral protozoa Entamoeba gingivalis and Trichomonas tenax do not occur in small children and are rarely found in older ones. In adolescents their occurrence rate keeps increasing with age. They parasitize in an oral cavity changed by inflammation, yet also in a healthy mouth. Their highest