Wire braces or braces on the market. The wire is not used for teeth with a mixture of lead, chromium, arsenic, especially if it accumulates in the body to cause kidney failure.
Rubber teeth are not standard No sterilization The disease is believed to have accumulated or chemicals. When I get stuck in my mouth.
May be material to the tooth. Because there is no strength to the body. Or if it will be a big piece of the trachea. Suffocation and death.