口腔是消化道的起始，口腔前端借助口唇裂口与外界相通，后经咽峡与咽喉相续

The oral cavity is the beginning of the digestive tract. The front end of the oral cavity communicates with the outside world through a cleft lip, and then continues with the throat through the throat. There are a large number of pathogenic bacteria and normal bacteria in the oral cavity of the human body. When the body's defense function declines, the pathogenic bacteria in the oral cavity multiply, resulting in oral diseases or lower respiratory tract diseases. In order to prevent this "disease from the mouth" phenomenon, some appropriate oral care measures are very worth promoting. Oral care refers to the use of corresponding oral care appliances combined with certain technical methods to achieve the goals of comfortable oral cavity, oral cleaning, oral bacteria removal, prevention of oral inflammation, and prevention of aspiration pneumonia with the assistance of appropriate oral care solutions.

The mouth is the beginning of the digestive tract, the front end of the mouth with the help of a cleft lip and the outside world, and then through the pharynx and throat continue. There are a large number of pathogenic bacteria and normal bacteria in the human mouth, when the body's defense function declines, the oral disease bacteria multiply in large numbers, leading to oral diseases or lower respiratory diseases. In order to prevent this phenomenon of "sickness from mouth to mouth", some appropriate oral care measures are very worthy of promotion. Oral care refers to the use of corresponding oral care appliances combined with certain technical methods, with the assistance of appropriate oral care liquid to achieve a comfortable mouth, oral cleaning, removal of oral bacteria, prevention and control of oral inflammation, prevention of inhalation pneumonia.

Oral cavity is the beginning of the digestive tract. The front end of the mouth communicates with the outside world with the help of the mouth cleft, and then continues with the throat through the isthmus. There are a large number of pathogenic bacteria and normal bacteria in the oral cavity of human body. When the body's defense function declines, the pathogenic bacteria in the oral cavity multiply in large numbers, which leads to oral diseases or lower respiratory tract diseases. In order to prevent this phenomenon, some appropriate oral care measures are worth promoting. Oral care refers to the use of appropriate oral care equipment combined with certain technical methods, with the assistance of appropriate oral care fluid to achieve comfortable oral, oral cleaning, removal of oral bacteria, prevention and treatment of oral inflammation, prevention and treatment of aspiration pneumonia<br>