When you first get your braces on, your teeth will hurt for a few days, as they will every time you get your braces tightened or your wires changed.
Chamomile is also popular for anxiety in children. Fennel. Fennel isn't for anxiety specifically, but it is linked to treating some of the most common symptoms of anxiety, including digestion, coughing (many with anxiety have a nervous cough), and asthma (anxiety can exacerbate asthma symptoms).
The best crystals and stones for healing anxiety, depression, and panic attacks. In the last Best Crystal for Healing Anxiety article we discussed rose quartz at length. There are other crystals and gemstones that are also beneficial for relieving feelings of anxiety. Other top anxiety and stress crystals include lepidolite and amazonite.