Tooth and Mouth Problems

I am having slight pain when I touch the edge of the gum touching the tooth. Brushing is little painful for the same. Please help.

I got braces about 4 weeks ago, there is still pain in my molar. And i could see blood stains on my gums. Is it normal with braces? Please suggest i am in remote area right now and can't visit my orthodontist till next 7 days.

I have a recurring tooth staining problem. I had done polishing last year but have stains again. I am also a smoker.

My mother, a senior citizen, one of her tooth got broken, only a small portion of teeth is visible outside the gum. Do that broken teeth need to get removed as it might get  infections, cancerous or any complications in future or it's ok to keep it the way it is, please suggest very soon as it's urgent

I have bump on my gums that teeth was decayed so I have filling in it gums also become swollen after eating or being scratch by food touch I can't understand the reason behind this bump and swelling and how to treat it

My front one tooth is getting kinda sensitive when I'm biting. What can be the reason? Can't be cavity in front tooth right?

I feel like the nerves in my gums throb. It's not pain but a restlessness. What is it? It really bothers

I did my root canal last year in June for my below left corner tooth. Since then there is a small boil in my gum for which root canal is done. Earlier there was no problem. But I have noticed that the tooth starts paining occasionally, specially with change in weather. Now suddenly the same root canaled tooth a paining. But it is not constant pain. It pains randomly and stops. Why is it happening.

I am getting bridge (PFZ) for upper 4 front teeth wherein the middle two will be pontic and the two at the end will be abutment. Will it be able survive long enough (about 20+ years) if I care for it. Will it dislodge during activities like kissing?

Plz suggest front teeth broken how to change. Its cast plz suggest me.. Old one side teeth problem puss coming so dr told remove for teeth new planting.. Plz suggest