Hi..
Welcome to HEALTHCARE MAGIC..
I have gone through your query and can understand your concerns..
As per your complain it seems that lump behind last molar with
soft tissue inflammation between tongue and teeth can be due to inflammation at the wisdom tooth site if you do not have wisdom tooth erupted completely by now..
Secondly it can also be due to any traumatic
injury caused by any hard foods or infection in gums in that area..
It seems to be less probably related to cold and is most probably related to
impacted wisdom tooth..
I would suggest you to consult an Oral Physician and get evaluated and a thorough clinical evaluation and investigations like x ray will help in diagnosis and treatment will be done accordingly..
As of now you should gargle with numbing mouthwash containing Lignocaine, do warm saline gargles and do antiseptic mouthwash gargles..
Take anti-inflammatory painkiller like
Ibuprofen..
Take a
soft diet..
Hope this information helps..
Thanks and regards.
Dr.Honey Nandwani Arora.