... 继发性牙本质 Secondary dentin 3、死区 dead tract 牙髓 pulp ...
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The long-term major dead causes were as follows:upper gastrointestinal tract hemorrhage(15 cases), liver failure(23 cases) and subsequent primary hepatic cancer(7 cases).
远期主要死亡原因：上消化道大出血15例，肝功能衰竭23例，并发原发性肝癌7例。
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