发生阻生的局部因素主要是牙间隙不足。
The main factor lead to impacted teeth was insufficient interdentium.
局部因素：急性咽炎反复发作，可转为慢性。
Local factors: acute pharyngitis repeated attacks, it can be converted into chronic.
皮肤的局部因素，如出汗，水分过多等与过敏无关，但可使湿疹加重。
Local factors in the skin unrelated to allergy such as sweating and overhydration, tend to aggravate eczema.
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