Saliva helps protect teeth and gums from bacteria that cause cavities and gingivitis. So a perpetually dry mouth is more susceptible to tooth decay and gum disease.
唾液可以保护牙齿免受引发牙齿腔洞和牙龈炎的细菌感染，所以长期干燥的口腔更易患这两种疾病。
Many medications (including antidepressants and heart or pain meds) can dry out your mouth, which ups the risk of tooth decay.
许多药物(包括抗抑郁药，心脏病和止痛药)会使口干，这就大大增加了蛀牙的风险。
An infallible remedy for toothache: wash the root if an aching tooth in vinegar, and let it dry half an hour in the sun.
对牙痛的一项万无一失的疗法是：把作痛的一根牙齿放进醋里洗净利，然后置于阳光下半小时使之晒干。
The tooth is rinsed and dried. Then new cotton is put around the tooth so it stays dry.
再次清洗牙齿并擦干。把新棉条放在牙齿周围使它保持干燥。
The tooth is dried, and cotton is put around the tooth so it stays dry.
擦干牙齿，并且在牙齿周围放上棉条使它保持干燥。
Scrape the pit and fissure with explorer and irrigate the tooth with water then dry it.
用探针（修牙的）刮孔洞及裂缝，用水清洗，然后干燥。
Clear dry mint joss-stick, let your tone more delightfully fresh, the tooth is more the health, the smiling face is more self-confident.
清爽薄荷香，让你的口气更清新，牙齿更健康，笑容更自信。
Dry Alveolitis is a common complication which occurs after the tooth extraction. It occurs because the wound is not covered by the blood clot so that the wound is infected.
干槽症是指拔牙创口无血凝块复盖，发生感染，引起部分牙槽骨坏死的一种病症，是拔牙手术后较为常见的并发症。
Dry Alveolitis is a common complication which occurs after the tooth extraction. It occurs because the wound is not covered by the blood clot so that the wound is infected.
干槽症是指拔牙创口无血凝块复盖，发生感染，引起部分牙槽骨坏死的一种病症，是拔牙手术后较为常见的并发症。
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