Tooth and Mouth Problems

I feel its periodontal disease my one tooth loosen my mouth smells while brushing it starts bleeding and gum receding how to cure

I had a terrible tooth ache from last three days. I did visit a doctor, he prescribed me a course of antibiotics and painkiller. I was also asked to do a OPG X-RAY. Here i am uploading the X-Ray scan to get some more opinion for future treatment if required.

I saw some discoloration in my right cheek, discoloration like blue and black, and started developing sensation of cheek being pulled. It is a strange feeling for me l. I visited my dentist and he told nothing to worry. But i feel that it is something serious problem like precancerous conditions. Plz help me out with this issue!!

My uncle is having cancer in his tongue ,he met many doctors and he already took 4 cemos but there is no recovery at all .Now at this moment of time ,he is only living on liquids such as protien powders,water and nothing else ,He is not at all able to swallow anything.My question is that WHAT SHOULD HE DO SO THAT ATLEAST HE CAN EAT AND CHEW AND SWALLOW ANYTHING AND CAN OVERCOME THIS DISEASE ?

One day while having a normal meal 1/4 th of my premolar tooth broke.Now After a few more days again 1/4th portion of same tooth broke leaving only half intact. I felt no pain during breaking. But now i am feeling a bit pain while chewing food on that side.What could be the reason and treatment ?

Bcz of this problem no morning walks,no social life.i went to somany dentist no use.finally I decided to see good gastrologist

I had a dental carry few years back which ate up almost 30% of my tooth, the dentist did filling but it came out and some part of tooth also broke. The area is now open and I feel pain and senstivity, food gets stuck and it's very painful.

I have hard spot under left tansil in my mouth .it is present 3 months .i dont know what it is . It have no pain .i can feel it when i touched with my finger it like a collection of hard flesh. I am very upset with it bcs i do not know anything about this thing .

Premolars teeth will get pain while eating food and drinking water, there is gap in the teeth, after eating food food will going to deposit in that gap, i need to clear every time after finishing my food. please help me regarding that...

I have pain and sensitivity in my teeth whenever i have any chocolate.and It is in the molars predominantly. I have already undergone a cavity filling treatment back in 2014'dec to prevent the RCT. However i guess it has started wearing its effect off the teeth.