A higher number of deepened periodontal pockets (infection of the gum around the base of the tooth) had a 53 percent increased risk of heart attack compared to those with the fewest pockets.

牙周袋（牙根周围牙龈感染）多的比牙周袋最少的心脏病风险高53%；

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A higher number of deepened periodontal pockets (infection of the gum around the base of the tooth) had a 53 percent increased risk of heart attack compared to those with the fewest pockets.

牙周袋（牙根周围牙龈感染）多的比牙周袋最少的心脏病风险高53%；

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