Tooth and Mouth Problems

I have a cold sentivity in my teeth and my dentist done filling but it is hurting my teeth and other teeth as well

Hi I had a slight front tooth gap from beginning. Now after delivery the gap is increased and looks very awkward. What are the options available for it?

Should I worry about force disturbution or concern if back ( last one) bracket fall off , I install metal braces yesterday only. red circle in photo means fallen brackets, I even ask them they dentist it's ok come in next appointment ( next month)

It's my first month wearing  metal braces and in second day it falls down (  first molar teeth bracket ) , will any issue or force disturbution, or time will delay for treatment ,should in go to second appointment,or do fix it ASAP,,,,,see the photo given below( bracket fall down only wire is popping on last teeth, don't wry is not hurting my cheek tissue).

Request to know the solution for Teeth Sensitivity. While eating sweet, ice, sour - getting sensitivity(2teeth at center). Can you tell- > What is the exact solution for this? >  Approx cost for treatment. Teeth looking is normal. No medicine are using currently. Age :30/M.

A dentist I visited this tooth would require root canal and a crown too. I visted another dentist and he said its not the case and it's been almost two months since I went back to the dentist. I had my exams in between and then didn't get appointment so it's now almost two months. I have been flossing and taking care of my teeth and never had pain in this tooth to begin with. Does it require root canal I am extremely scared of dental procedures

Red circle( image) indicate fall down of one bracket in upper back teeth, will it be any problem, it's my first month of wearing it but suppose if it 3 month later , will treatment delay or I have to go to dentist

Hi, I've had permanent retainers for 6 months now, 6 more months to go. But the bonding agent behind two teeth have fallen off completely and it's no longer attached to the teeth. Consulted one dentist (not the one who fixed it), he says it's fine as the wire is not broken. Please advise. Thanks.

What are exercise for the treatment of OSMF apart from meds. My mouth Opening is 25 mm and I have quit tobacco.

I have diastema in my upper front teeth and underbite. But i just want to correct only diastema. Is it possible?