Hygiene EducationHealth Education
Human’s salivary glands include parotid glands, submandibular glands, sublingual glands and minor salivary glands.
It is estimated that some degree of hearing loss exists in 1/100 of live births, in which 1/1000 ( 0.1 % ) has severe hearing loss.
Upper respiratory tract infection ( URI ) is the most common acute illness in outpatient setting.
Epistaxis, or bleeding from the nose, is common in its frequency and varies in its manifestation.
An earlier study found that 66 % of people reported they had smell disorder in some periods of their life.
The oral cavity includes lip, buccal mucosa, gum, retromolar area, mouth floor, hard palate, and anterior 2/3 of tongue.
Lead air into middle ear cavity via eustachian tube to modulate middle ear cavity pressure and drain out middle ear exudates.
If the postoperative wound pain is obvious, apply a cold compress to the external neck of the jawbone.
The most common cause is viral infection (e.g. adenovirus and coronavirus), followed by bacterial infection, most of which is caused by group A β-hemolytic streptococcus.