Is feldene (piroxicam) good for a tooth ache?

Ibuprofen better. Feldene (piroxicam) is a rx drug that is typically used for the following: osteoarthritis, rheumatoid arthritis, ankylosing spondylitis. Dentists typically recommend taking an otc med such as Ibuprofen (advil) or Naproxen sodium (aleve). Nsaids are recommended for both their analgesic & anti-inflammatory properties. Obviously, if you are allergic or have sensitivity to this family of drugs, consult w/ doctor.
Maybe. It is a nonsteroidal anti-inflammatory drug (nsaid). And can be used to treat pain. It may work well for dental pain but be aware of potential side effects.
Feldene (piroxicam) is recommend. medication for simple pains such as toothaches, headaches and joint pains. For definitive dental treatment see a dentist ASAP to prevent future complications.