What wouls cause pain in teeth when running/jumping?

Sinus or infection. You should visit your dentist to make sure there is nothing wrong with any of your teeth, your dentist will check for a sinus infection or tooth infection and provide the appropiate treatment.
Sinus? Many times the impact of running or climbing stairs causes the feeling of pain in the upper teeth caused by sinus inflammation. Best to see your dentist first to rule out a tooth related issue.
Sinus infection. Sinus inflammation/infection will impact the nerves going to the upper back teeth. Running or jumping will create intermittent added pressure to these nerves, creating tooth pain.