牙周炎症状有哪些? 牙周炎能治好吗?。
Which does the periodontitis symptom have? Can the periodontitis administer well?
人们一般认为危害人的牙齿有两大疾病，一是龋齿，二是牙周炎。
It is generally considered a danger to people's teeth have two diseases, namely dental caries, the second is periodontitis.
这些结果表明牙周炎有可能引起牙髓病变。
Theseresults indicated that periodontitis probably influenced the dental pulp tissue.
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