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每个人的口腔里都有腮腺、颌下腺和舌下腺三对唾液腺。正常的成年人在二十四小时内分泌唾液(口水)约一千至一千五百毫升,唾液对保持口腔、喉咙及食道湿润,帮助吞咽,促进食欲和消化,有很大作用。新生儿的唾液腺不发达,分泌出来的口水很少,到了六个月以后,唾液腺才开始发育完全,口水逐渐增多。随着孩子牙齿的萌出,刺激了口腔内的三叉神经、使唾液分泌量增加。由于孩子的口腔浅,加上不善于节制,于是口水不断由口腔流出,造成口角和下巴发红,甚至溃破、糜烂,引起感染。这时应特别注意幼儿的口腔卫生,经常将消过毒的纱布或药棉蘸取百分之二硼酸液或苏打水轻拭幼儿的牙床,并拭干口角、下巴及颈部的口水;可在胸前围一块防潮布并注意更换,
Each person’s mouth has parotid gland, submandibular gland and sublingual gland three pairs of salivary glands. Normal adults secrete about 1000 to 1500 milliliters of saliva (saliva) in about 24 hours. Saliva has a great effect on keeping the mouth, throat and esophagus moist, helping to swallow, appetite and digestion. Neonatal salivary glands underdeveloped secrete very little saliva, to six months later, salivary glands began to develop completely, saliva gradually increased. With the eruption of children’s teeth, stimulate the oral trigeminal nerve, so that increased salivary secretion. Due to the child’s shallow mouth, coupled with not good at moderation, so saliva constantly from the mouth out, causing redness and chin and even ulcerated, erosion, causing infection. At this time, special attention should be paid to the oral hygiene of young children. Frequently disinfect gauze or cotton swab with 2% boric acid solution or soda water to gently swab the child’s gums and wipe saliva, chin and neck saliva; Chest around a damp cloth and pay attention to replacement,