hello ,yes your wisdom tooth near erupt therefore you having little pain and discomfort on your lower rating side and for same you need to visit dentist since it's looking not in normal pattern and secondary about your swelling in the floor of mouth zdo you have any pain over there ????
Next Steps
*visit dentist to take digital RVG
* take normal warm salt water gargle after every meal
Health Tips
thanks and regards
Dr Rajput Pune