What does getting a filling for your cavity do?!

Question: What does getting a filling for your cavity do.?
when you have a cavity, the tooth structure is decayed and rotten. A dentist uses a drill to get all the soft, rotten, decayed tooth out, which leaves a hole, and then he fills the hole with a filling, which is either metal or tooth-colored composite (plastic). It is important to get cavities taken care of, because while they are not contagious from person-to-person, they can transfer bacteria that causes decay to the other teeth in your mouth. And if not treated, the decay can enter the nerve of the tooth and cause pain and infection, and then the only treatment options are a root canal or to have the tooth extracted (pulled).Health Question & Answer

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