With the development of oral health care in China, the general public self-consciousness and ability of oral health care have been significantly improved, but how to do to effectively protect our teeth from dental disease, to maintain normal oral function, there are still some misconceptions and improper behavior to be corrected, to correct the following oral health care misconceptions. 1, dental disease can not kill, big deal, pull out on the line. 2, people will lose teeth when they get old, this is the natural law. 3, sooner or later the milk teeth will fall out, do not care about it. 4, good or bad teeth are born, I can not do anything about it. 5, toothpaste can not always use one, you must often change the use. 6.The toothpaste with more foam is good toothpaste. 7, after brushing teeth to try to rinse the mouth with water to clean the toothpaste. 8, brush teeth can not brush horizontally, to brush vertically. 9, more hair, dense hair, hard hair toothbrush is good. 10, chewing gum will not need to brush your teeth. 11, brush bleeding when you stop brushing and quickly see a dentist. 12, smoking can kill oral bacteria. 13.Tooth cleaning destroys teeth. 14, tooth extraction is a good way to get rid of teeth once and for all. Oral health care misconceptions are a reflection of the old unhealthy concept, but also the lack of correct oral health care knowledge. Correct oral health care misconceptions should strengthen oral health education, take science as a guide, establish scientific oral health care concept, establish scientific oral health care behavior, and integrate scientific oral health care knowledge into their daily life habits.