Tooth decay is quite common in our daily life, which is mainly caused by some bad living habits and eating habits. For example, not paying attention to oral hygiene often causes bacteria to grow, gradually eroding the teeth and leading to tooth decay. In addition, some children take certain drugs when undergoing treatment for certain diseases, which are also harmful to their teeth. The most common one is tetracycline, also called tetracycline teeth. This is also a serious trend phenomenon. In addition, some children like to eat sweets, which is also an important cause of tooth decay. What causes tooth decay? 1. Hygiene habits Each process of tooth decay takes a certain amount of time to complete, so it is necessary to rinse your mouth in time after eating. 2. The teeth themselves The morphology, structure and position of teeth have a significant relationship with the incidence of dental caries. The pits and fissures on the biting surface of teeth are defects left over from the development process. Cells and food debris are easily retained in deep pits and fissures, and are difficult to remove, which can easily induce tooth decay. Teeth with insufficient mineralization, especially insufficient calcification, have low density of enamel and dentin, low caries resistance, and a high probability of developing caries. 3. Diet During the period of tooth development, nutrition determines the biochemical structure of tooth tissue, and well-calcified teeth have high caries resistance. If the food contains insufficient mineral salts, main vitamins and trace elements, such as calcium, phosphorus, vitamin B1, D and fluoride, the teeth's resistance to caries will be low, creating the conditions for the onset of caries. 4. Saliva Saliva is the external environment of teeth, playing the role of buffering, washing, anti-staining or antibacterial. Large amounts of dilute saliva can clean the surface of teeth and reduce the accumulation of bacteria and food debris. Small amounts of thick saliva tend to accumulate, promoting plaque formation and adhesion on the tooth surface. The properties and composition of saliva affect its buffering capacity and also affect the living conditions of bacteria. 5. Bacteria The main culprit of dental caries is bacteria. In recent years, it has been internationally recognized that dental caries is a bacterial disease. There are many types of bacteria that cause dental caries, the most important of which are certain mutans streptococci and lactobacilli. The army of bacteria attacks the hard tissues of the teeth, causing chronic lesions that manifest as demineralization of inorganic matter and decomposition of organic matter. |
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