Tooth and Mouth Problems

Sir, My teeth are very Yellowish & my cavity become weak. What to do?? How to keep my cavity healthy??

How to cure toothache of the person whose xray of teeth is attached for reference. Best treatment to cure the same.

Extreme sensitivity where gum ends and tooth begins. Is this gum receding? Problem for a few weeks now.

My doctor suggested root canal treatment for my toothache. How to avoid this root canal treatment & treat the disease naturally.

If my implant last due to peri implantitis can it change or peri implantitis cause cancer.plz tell the truth

Please help me to understand what are these black spots on my tongue, its there since long time and I am scared if it's anything to worry about!

My dentist has advised me for root canal treatment but i am really scared about the procedure .. i really fear to be on dentist chair and injections😭..will it be really painful after watching several youtube videos i see dentist places some rubber time substance in mouth will it be painful ?

So, since 2-3 says m feeling as if my tongue is getting so dry and my mouth feels so dry, please tel if my tongue is normal or not, i see a white line, i brush daily twice and also use tongue cleaner/scraper every morning to clean it.. please help me as my mouth feels so weird. That white line is there in mouth since quite a time, i am not sure if its thrush or not.

Should I get it removed? That gum hurts a lot when i chew something, it wasn't hurting but started hurting nowadays. I am having tinnitus, can it be because of this? Also i am having impacted wisdom tooth on both sides, bottom right is partially erupted, this pic is left bottom, this weekend i have scheduled to get the right top one reduced as its bucally erupted... I am scared :(... and can these be the reason why m getting hyperpigmentation on my buccal mucosa?

I could see teeth discoloration for two teeth. All teeth are white. This teeth is yellow and white spots