Is this a tension headache temples that ache, sore eyes, tight neck an shoulders, worse when brisk walking, upper teeth hurt has symptoms for 6 years

Trigeminal neuralgis. Thyis also can be a variant of trigeminal neuralgia that was initiated by chronic sinusitis and/or bad teeth. You need nto have this evaluated so the primary(ies) can be identified and appropriately treated.
Sinusitis. Those are the signs and symptoms of a sinus infection. See your doctor for medications.
Yes cause bruxism. Your symptoms are classic night bruxing or tooth grinding symptoms. A hard acrylic night appliance with the correct bite and guidance will very likely reduce your symptoms. A soft "rubbery" appliance could make symptoms worse.