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舌癌多发生于舌缘,其次为舌尖、舌背及舌根等处,常为溃疡型或浸润型。一般恶性程度较高,生长快,浸润性较强,常波及舌肌,致使舌运动受限,使说话、进食及吞咽均发生困难。86%的青壮年舌鳞状上皮癌,与患者的牙齿畸形有关,其舌病患处有经常与内侧倾斜的牙齿接触史。被调查的65名26~39岁的舌癌患者中,有56名患者皆有牙齿向舌侧倾斜或向舌侧突出,即
Tongue cancer mostly occurs in the border of the tongue, followed by the tip of the tongue, back of the tongue, and base of the tongue, and is often ulcerated or infiltrated. In general, the degree of malignancy is high, growth is rapid, and the infiltration is strong, and the tongue muscles are often waved. As a result, the movement of the tongue is limited, making it difficult to speak, eat, and swallow. 86% of young and young tongue squamous cell carcinomas are related to the patient’s deformed teeth. The affected area of tongue has a history of contact with the medially inclined teeth. Of the 65 tongue cancer patients aged 26 to 39 years who were investigated, 56 patients all had teeth sloping or protruding to the lingual side.