Regular professional cleaning of teeth not only gives a patient a more radiant smile but also helps reduce the risk of heart attack or stroke, according to a new study.
The study presented Sunday at an American Heart Association meeting in Orlando, Florida, was conducted at the Veterans General Hospital in Taipei, Taiwan.
Researchers have found that those who had their teeth scraped and cleaned by a dentist or dental hygienist had a 24 percent lower risk of heart attack and 13 percent lower risk of stroke compared to those who had never had a dental cleaning. More than 100,000 people were followed in this study for an average of seven years.
Photo: Reuters
照片:路透
Scientists considered tooth scaling frequent if it occurred at least twice or more in two years and occasional if it occurred once or less in two years.
“Protection from heart disease and stroke was more pronounced in participants who got tooth scaling at least once a year,” said Emily Chen, cardiology fellow at the Veterans General Hospital.
Professional tooth scaling appears to reduce inflammation-causing bacterial growth that can lead to heart disease or stroke, she said.
(AFP)
定期專業潔牙不僅給予患者更明亮的笑容,也有助於降低心臟病發或中風的風險,一項新研究指出。
這份週日在佛州奧蘭多舉行的美國心臟病協會會議上發表的研究,是在台灣台北市的榮民總醫院進行的。
研究人員發現,與未曾洗牙者相較,那些由牙醫師或口腔衛生師潔牙的人,心臟病發的風險較低百分之二十四,中風風險則較低百分之十三。該研究追蹤調查逾十萬人,平均追蹤時間達七年。
科學家認為,兩年至少洗牙兩次或兩次以上為經常洗牙,兩年一次或不到次為偶爾洗牙。
榮民總醫院心臟科研究員艾蜜莉.陳表示:「心臟病發與中風的防範在每年至少洗牙一次的參與者身上效果更為顯著。」
她說,專業洗牙似乎能降低會引起發炎的細菌滋長,而細菌滋長恐導致心臟病發或中風。
(法新社/翻譯:魏國金)
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