By Dr. Matthew Hannikainen DC — The Well Adjusted Chiropractic Centre, Toronto If you've been dealing with jaw pain, clicking, tension, or headaches that your dentist hasn't been able to fully resolve, there's a structural component that often gets missed entirely — your cervical spine. Temporomandibular joint (TMJ) dysfunction is typically managed as a jaw problem. At our downtown Toronto clinic, we consistently find that the cervical spine — particularly the upper cervical