Please help to identify the problem ent.

Hi I am suffering from severe pain on above head,face , no eck.i thought it's due to dental but dentist said it's ent related.oast 15 days,I have jaw bone paining worst like anyty.this month has ear pain like kind.left side near to aye and war point,I noticed light swelling last week and was paining badly.but now that reduced. Now pain is in middle head topside , also feeling like small small light solids( cold) throughout face neck below neck ,near ears,head. Confused what it is. For one year continuously I suffer sneezing,cold commonly daily by touching cold water,in summer also same. When I am inside AC,I feel like face swollen and slight heavier head If I take steam always,I feel normal. Fir past one month,the pain us there. I went to ent today,he gave Montek lc ( I was already taking almost year) sometime.only that day nothing won't be there. Today,ent specialist said it's not sinus ,gave gates tablet,Montek again, told me jaw joint bone problem.confused what to do now to redu