The periodontal disease can not only destroy the attachment apparatus of the tooth, but also affect many systemic disorders.
牙周病不仅破坏局部牙齿支持组织，亦可影响许多全身性疾病。
The periodontal disease can not only destroy the attachment apparatus of the tooth, but also affect many systemic disorders.
牙周病不仅破坏局部牙齿支持组织，亦可影响许多全身性疾病。
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