How to diagnose periodontal disease, what are the key points?
1. The gingiva is prone to bleeding due to physical stimulation;
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2. Affected area: gingival congestion, edema, periodontitis can be touched periodontal pocket teeth are different degrees of loosening;
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3. X-ray pictures showed that periodontitis patients had different degrees of resorption of alveolar bone, while gingivitis had no resorption of alveolar bone.
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