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What oral science knowledge do you have?
Can you get dental caries by wearing braces? If possible, how to treat these cavities?

A: No matter whether you wear braces or not, your teeth are prone to tooth decay. During orthodontics, it is very necessary to maintain your oral hygiene (regular brushing, gargling, gargling and fluoride application, and tooth cleaning). Usually, you can fill your teeth while wearing braces, but sometimes you must take them off before filling your teeth. ?

What may cause tooth staining to turn yellow?

A: Eating dark foods (such as beets and berries), drinking drinks (cola and tea) or smoking can all lead to tooth coloring. Substances in tobacco adhere to dental plaque or soft dirt on the tooth surface, and may also penetrate into enamel. In addition, with the increase of age, enamel will gradually become thinner, revealing yellow dentin. ?

I had my teeth filled two weeks ago, but I'm still sensitive to hot and cold stimuli. How long will this sensitivity last?

A: Sensitivity after deep caries filling is common and may last for 8- 12 weeks. If the situation worsens, it may indicate that the dental nerve has been irreversibly damaged and infected. In this case, root canal therapy is usually needed to preserve the teeth. Please contact your dentist if your dentin hypersensitivity changes.

Is hard candy or sticky candy bad for teeth? Answer: Hard candy and milk candy are bad for teeth for the following reasons: the hardness or viscosity of sugar may damage teeth, loosen fillings and even pull crowns; Sugar increases bacteria, produces acid and corrodes teeth; Sugar will form an acidic environment in saliva, which will worsen dental caries. ?

Does a crown need more special care?

A: Wearing a crown does not mean that the lower teeth will not decay or get sick. You should also maintain good oral hygiene habits after wearing a crown. Brush your teeth at least twice a day and floss once. Sterile mouthwash can also help.