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汉语拼音：yá yín

也叫齿龈。通称牙床。包住牙颈的黏膜组织。粉红色，内有很多血管和神经。

1. 覆盖于牙槽突边缘区及牙颈的口腔软组织。

   宋 苏轼 《过汤阴市得豌豆大麦粥示三儿子》诗：“青斑照匕箸，脆响鸣牙齦。” 明 郎瑛 《七修类稿·奇谑三·种牙》：“復洗牙齦。”泛指口齿。 清 唐孙华 《狎客》诗：“叫譟沸螻蚓，毁誉随牙齦。”

• When not removed, plaque causes tooth decay and gum disease.

  牙斑如果不清除就会导致牙齿蛀蚀和牙龈疾病。

• Receding gums can be the result of disease or simply incorrect brushing.

  牙龈萎缩可能是疾病导致的，也可能仅仅是错误的刷牙方式引起的。

• I got an abscess so he took the tooth out.

  我牙龈脓肿，所以他就把那颗牙拔掉了。

• Deposits of plaque build up between the tooth and the gum.

  牙齿和牙龈之间会滋生牙斑。

• Thoroughly brush teeth and gums twice daily.

  每天两次彻底刷净牙齿和牙龈.

• The toothbrush gently removes plaque without damaging the gums.

  这种牙刷可以温和去除牙菌斑而不损伤牙龈。

• The gums become red and swollen.

  牙龈变红和肿起.

• After your tooth is pulled out, it is many that your gum has contracted!

  你的牙齿拔掉后, 你的牙龈收缩了不少 啊 !

• An infection had spread from his gums, irreparable harm.

  从牙龈向全身扩散的病毒对他造成了无法医治的伤害.

• This often includes inflammation of the gums, which is called pregnancy gingivitis.

  常见有牙龈炎, 称之为妊娠期龈炎.

• When use dental floss, how to bleed gum lane?

  使用牙线时, 如何不把牙龈弄出血?

• Wipe gums with a clean, damp cloth or gauze pad.

  用一块干净的湿润的棉布或者纱布擦拭牙龈.

• Cigarette smoke causes oral cancer, gum diseases and tooth loss.

  香烟烟导致口头癌症 、 牙龈炎和牙脱落.

• Objective To study the distribution of the chromatic value of gingival porcelains.

  目的了解临床常用牙龈瓷的颜色参数.

• Grown tooth age paragraph how many? Is gum swollen when growing?

  长大牙年龄段多少? 长的时候牙龈会肿 吗 ?