In 2021 I had a swelling lymph node on my right side neck. After that did a operation and result came because of sinus like that. Then after that i had a stiffness in right side neck for 3 yrs. When I press in right side last teeth I feel relax and no stiffness in neck. I met a dentist he asked me to take sugar test. I'm result before breakfast 108 and after breakfast 165 came. He said because of this you feel like that. Do reduce it will be cure. Now my doubt is because of sugar, teeth or operation I feel stiffness or what? Some times stiffness I feel more and sometimes less. But full time it will be stiffness is there. But no pain. Please tell me the reason doctor