In general, wearing braces will not affect normal life or oral sex. But whether wearing braces or not, it is usually not recommended to give each other oral sex, this is because oral sex there are certain health risks: 1, if one side of the oral cavity has wear and tear, and the other side of the genitals carry viruses, then it is easy to through the broken oral mucosa triggered by infections; similarly, the oral cavity of the bacteria can also cause genitourinary tract infections; 2, the man’s penis prepuce is very likely to hide the masonry, or suffering from genitourinary system diseases The woman’s vaginal leukorrhea is abnormal, or gynecological inflammation, etc., in this case oral sex is also very unfavorable to health.