Brushing and flossing can surely keep your teeth and gums healthy. Regular plaque removal, along with ______, can help people r

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问题 Brushing and flossing can surely keep your teeth and gums healthy.
Regular plaque removal, along with ______, can help people reverse gingivitis.

选项

答案good oral hygiene habits

解析 定位到文章中More Dental Problems标题下末句:If your remove plaque regularly and follow good oral hygiene habits,your gums usually will return to their healthy state.(如果你能定期清除牙斑,养成良好的卫生习惯,你的牙龈通常会恢复健康。)由此可得出答案。
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