Quit habits strictly. Seems like you have oral submucous fibrosis (osmf). Kindly consult an oral & maxillo facial surgeon in person for further suggestion. We need more investigations with clinical examination to decide upon treatment. You may need conservative or surgical management for mouth opening depending upon the stage of osmf. Wisdom teeth
usually make their appearance between the ages of 17 and 21, though it's possible for them to push through earlier or later. Referred to as your "third molars, these four teeth begin to push through the skin like any other tooth, which can cause pain
. However, wisdom teeth are much more likely to grow in at an incorrect angle – even sideways – causing impaction that can radiate this pain to the teeth in front of it. Kindly get it extracted as soon as possible.