鼻腔额外牙,为一少见鼻病。多发生于鼻底部,其发生原因,主要为牙始基异位发育而成。本例患者口腔上颌牙列完整无缺,故为额外牙。现报告如下:夏某,女,25岁,城固籍。主诉,右侧鼻孔近年来经常流脓性鼻涕,带臭味,伴头昏、头痛等不适感。经当地多次治疗无效而来我院就诊。检查:患者发育营养良好。用鼻镜检查见右侧鼻腔底部,相当于右下鼻甲后端2厘米处有一白色突起之硬物,几与下鼻甲游离缘接触,形似牙冠突出鼻腔,用探针触查时,质硬 Nasal extra teeth, a rare rhinopathy. Occurred in the bottom of the nose, the reasons for its occurrence, mainly for the development of primitive base arising from the base. In this case, the oral maxillary dentition is intact and therefore extra teeth. The report is as follows: Xia Mou, female, 25 years old, city solid Ji. Chief complaint, right nostril often purulent nasal discharge in recent years, with the smell, with dizziness, headache and other discomfort. After many local treatment invalid from our hospital. Check: Patients develop good nutrition. Noseoscopy to see the bottom of the right nasal cavity, the equivalent of the right inferior turbinate 2 cm at the back of a white protruding hard objects, a few with the inferior turbinate free edge contact, shaped crown prominent nasal cavity, probe with the probe, the hard qualitative