Even if you brush your teeth carefully every day and rinse your mouth after meals, your teeth can still be damaged by some unnoticeable habits. Now we will tell you “the most unexpected habits to destroy your teeth”, see if you are hit. 1, tea is too hot Because of the rapid change in temperature, cold days drink hot tea and other hot beverages to warm up, easy to lead to the surface of the teeth to produce small cracks visible to the naked eye. Once the cracks become deeper, it is bound to hurt the dentin, resulting in tooth hypersensitivity, serious damage to the dental pulp or dental nerve, causing infection or abscess. 2.Talk a lot Often speak easily lead to jaw wear and tear, and even cause TMJ, damage to dental health. 3.Brush your teeth and rinse your mouth vigorously The acid and sugar produced during meals can temporarily weaken the protective effect of tooth enamel. Brushing teeth immediately after a meal is more likely to damage tooth enamel. It is recommended to wait at least half an hour after meals before brushing, and to avoid rinsing vigorously, so as not to weaken the protective effect of fluoride toothpaste on the teeth. 4, too much exercise Long-time exercise is likely to lead to a decrease in saliva, saliva alkalinity rises, leading to an increase in the bacterial hormone of plaque, increasing the risk of dental disease. 5, Swimming with your mouth open Chlorine in the swimming pool may lead to tooth erosion, loss of hard tissue on the surface of the teeth, discoloration and sensitivity of the teeth. After swimming, it is best to brush your teeth or rinse your mouth. 6, flying in an airplane after a dental filling The reason is that the change in altitude can lead to tiny air pockets in the dental filling material, causing a toothache due to the change in air pressure. Usually the toothache will go away a few hours after the airplane lands. If the pain persists, you should see a dentist. The same thing can happen when hiking or skiing. 7, teeth as scissors Use teeth instead of scissors to bite threads, tear open packages or gnaw nails, etc., are very easy to injure the incisors. 8, Containing pills In order to achieve an analgesic effect, many people will crush aspirin or bite directly on the painful tooth. However, Dr. Cascarini says that this method of analgesia can easily burn the sensitive soft tissues of the mouth. It is recommended that aspirin be swallowed to relieve toothache as well. 9, do not pay attention to oral hygiene when pregnant Taking contraceptives such as progesterone or pregnancy can lead to increased levels of estrogen, so that the gum tissue to plaque and other local irritants to enhance the response, leading to or aggravate gingivitis, prone to tooth bleeding. Developing good oral hygiene habits can minimize oral inflammation. 10, take antihistamines antihistamines may affect the tongue and mouth and other parts of the mouth, which in turn affects saliva secretion, resulting in dry mouth. Frequent dry mouth can lead to gum recession and periodontal disease, increasing the chances of infection, which can lead to loose teeth or even loss in severe cases. Chewing sugar-free gum and drinking plenty of water can help promote saliva production.