Hi the muscles on my temples hurt and feel like they qre tigtning when I chew my food and I have to stop eating for a few minutes before I can eat anything else I also got braces off in march and it was also happining while I had them I told my orthodonist and they sai it would go away but it hasnt
Cannot say in your particular case. There are several common dental conditions that the orthodontist would likely have commented upon (cavities, malocclusion, tooth sensitivity) and, the nerves at the angle of the jaw can become irritated (temporal mandibular joint syn Chat Doctor.  Resting the jaw, anti-inflammatories, bite guards are some treatments.