Tooth and Mouth Problems

I've been having pain in my teeth from last couple of days and now it has increased very much that I could not even eat anything and even I cannot sleep with this kind pain.

I have extracted 4 Tooth for braces treatment and now after extraction i used to consume ketrol Dt daily of 2 Tablets it has been a week ago. sometimes i control to take tablet but i feel sever pain in my tooth so i have yo take madicine my age is 23

I have mouth opening problem. At the time of opening mouth the right side jaw gam skin stressing and having pain to open mouth, and skin color is also changed at this area so pls suggest.

I have been red dots on tongue for 5-6 days. When I eat something it feels burning and painful. And when I use my tongue scrapper it causes bleeding.

I am having gap between two front teeth and left side one missing tooth. What shall i do , please suggest me.

My mouth water alot when I try to sleep it's every night an it keeps me up an I'm spitting it out but as soon as I lay down it starts all over again

When I blow my nose, I get a strange taste in my mouth, and it always seems like it's coming from the top left of my mouth, but it's also accommodated with what feels like mild pressure in my tooth.

I visited a dentist yesterday and got advised  to extract my wisdom tooth. What all things do i need to take care off before going for this procedure?

Firstly in dental college ,they did restoration with anamalgam filling of mine 3 tooth thereafter almost under 15 day i replaced my filling with composite filling now i feel pain during the chewing of the food .there is no high Pont last week doctor low my filling thereafter i i am able to chew the food but still i feel little pain during the chewing

I have throat pain on yesterday onwards.swelling will be present on the right side of cheek.i cant able to swallow any one including water.