What are the risks resulting from oral piercing?

What are the risks resulting from oral piercing?
You do not know may be potential adverse effects of oral piercing:
 * Infection - Our mouths contain millions of bacteria that can cause infections after a piercing. The handling of mouth jewelry also increases the risk of infection.
* Prolonged Bleeding - The injury of a blood vessel by the needle during the piercing, can cause bleeding difficult to stop and cause a significant loss of blood.
* Swelling and pain - pain and swelling are normal after oral piercing. In rare cases, swelling of the tongue can clog up the airways and severely hinder breathing.
* Cracked or chipped teeth - the bite on the mouth jewelry can fracture teeth. The teeth-bearing restorations such as crowns can be damaged by the jewelry during the bite. 
* Injury gums - A metal jewelry can not only damage the soft tissues of the gum but it can also cause gingival recession. In addition to a very attractive, the denudation of the root makes it more susceptible to tooth decay and periodontal disease.
 * Interfering with normal function - The presence of a jewel in the mouth may cause an increase in salivary flow, interfere with your speech and cause problems chewing and swallowing.
* Diseases transmitted through blood - National Institutes of Health have identified the oral piercing as possible factor in the transmission of hepatitis B, C, D and G.
* Endocarditic - The oral piercing carries the risk of endocarditic, an inflammation of the heart tissue. The wound created during oral piercing provides a gateway to oral bacteria that can migrate to the heart.