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口腔可发生很多外胚层的发育缺陷,且口腔毛发的发生在过去文献里曾做过报道,作者在所复习的文献中仅遇过2例,第1例是由Miles在1960年发现的一个57岁男性,第2例由Baughman在1980年报道的一位45岁女性。病例一个患有斑秃的13岁男孩口腔检查时发现右上牙四分之一的龈组织长有很多毛发,这些毛发长4mm～6mm,黑色,比头发细。口腔毛发是在他去诊所就医的一年前发现的。由于毛发对他没有任何影响,他没有进行治疗。在一次随访中部分毛发被用镊子拔除,但是两月后口腔毛发又在原部位长出,并再次被拔除。
Much of the developmental defects of the ectoderm can occur in the oral cavity and the occurrence of oral hair has been reported in the literature in the past, with only two cases in the literature reviewed by the author, the first one being a 57 found by Miles in 1960 Year-old man, and the second, a 45-year-old woman reported by Baughman in 1980. Case A 13-year-old boy with alopecia areata found that one fourth of the upper right tooth had long hairs that grew 4mm to 6mm in length, black and thinner than the hair. Dental hair was found a year before he went to the clinic for medical treatment. He had not been treated because hair had no effect on him. Part of the hair was removed with forceps during a follow-up, but after two months the oral hair grew again in the original site and was removed again.