When we think of gum disease , we might think of swollen , bleeding gums ; or tooth loss in the most extreme cases . But researchers have made the troubling discovery that advanced gum disease may threaten the entire body . Ley’s take a closer look and find out what you can do to practice good oral health .
想到牙齦疾病時，可能會想到腫脹流血的牙齦；或是最極端的牙齒脫落。但研究員困擾的發現，嚴重牙齦疾病可能威脅到整個身體。我們詳細探討要如何做好口腔衛生。
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