Key takeaways:
- Brushing aggressively may lead to gum recession that exposes the root of the tooth.
- Periodontal disease is caused by the accumulation of bacteria in the gum and may cause pain.
- Teeth grinding or clenching in your sleep will wear down the tooth enamel and even fracture teeth.
Especially during allergy and flu season, a sinus infection may creep up in a way that doesn’t even feel like a normal one. “Since the roots of certain teeth actually sit right by the sinuses, the pressure from a sinus infection actually mirrors tooth pain,” says Handschuh.
Read the full story here
http://www.prevention.com/health/7-reasons-why-your-teeth-hurt