People with barbell stud piercings in their tongues often have the unconscious habit of pushing the appliance against their front teeth. Researchers at Buffalo School of Dental Medicine, Buffalo, NY, presented a case study that showed this habit can cause a diastema between the front teeth. The 26 year-old woman, who was the subject of the study, wore a barbell stud in her pierced tongue for 7 years. During that time, she habitually pushed the barbell stud against her front teeth, eventually creating a space between her front teeth. The woman needed a fixed brace appliance to close the space. Besides creating a need for orthodontic treatment, the authors noted that tongue piercings can also create serious side effects, such as hemorrhage, chipped and cracked teeth, and injury to the gums.
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